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Finding the Fourth Proportional to 162,186.60, 243,279.90 and 153,001.20

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Solution

The fourth proportional to 162,186.60, 243,279.90 and 153,001.20 is: 229,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,186.60 : 243,279.90 = 153,001.20 : x
  2. Step 2: Convert to fraction form
    162,186.60/243,279.90 = 153,001.20/x
  3. Step 3: Cross multiply
    162,186.60x = 243,279.90 × 153,001.20
  4. Step 4: Simplify right side
    162,186.60x = 37,222,116,635.88
  5. Step 5: Solve for x
    x = 37,222,116,635.88/162,186.60
  6. Step 6: Final answer
    x = 229,501.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.