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Finding the Fourth Proportional to 162,146.40, 223,697.70 and 108,346.20

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Solution

The fourth proportional to 162,146.40, 223,697.70 and 108,346.20 is: 149,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146.40 : 223,697.70 = 108,346.20 : x
  2. Step 2: Convert to fraction form
    162,146.40/223,697.70 = 108,346.20/x
  3. Step 3: Cross multiply
    162,146.40x = 223,697.70 × 108,346.20
  4. Step 4: Simplify right side
    162,146.40x = 24,236,795,743.74
  5. Step 5: Solve for x
    x = 24,236,795,743.74/162,146.40
  6. Step 6: Final answer
    x = 149,474.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.