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Finding the Fourth Proportional to 159,547.62, 220,177.17 and 87,930.24

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Solution

The fourth proportional to 159,547.62, 220,177.17 and 87,930.24 is: 121,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.62 : 220,177.17 = 87,930.24 : x
  2. Step 2: Convert to fraction form
    159,547.62/220,177.17 = 87,930.24/x
  3. Step 3: Cross multiply
    159,547.62x = 220,177.17 × 87,930.24
  4. Step 4: Simplify right side
    159,547.62x = 19,360,231,400.62
  5. Step 5: Solve for x
    x = 19,360,231,400.62/159,547.62
  6. Step 6: Final answer
    x = 121,344.53

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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.