Home / 162,888.24-243,218.22-145,911.66

Finding the Fourth Proportional to 162,888.24, 243,218.22 and 145,911.66

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Solution

The fourth proportional to 162,888.24, 243,218.22 and 145,911.66 is: 217,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,888.24 : 243,218.22 = 145,911.66 : x
  2. Step 2: Convert to fraction form
    162,888.24/243,218.22 = 145,911.66/x
  3. Step 3: Cross multiply
    162,888.24x = 243,218.22 × 145,911.66
  4. Step 4: Simplify right side
    162,888.24x = 35,488,374,222.45
  5. Step 5: Solve for x
    x = 35,488,374,222.45/162,888.24
  6. Step 6: Final answer
    x = 217,869.47

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.