Home / 108,828.28-163,143.99-38,691.19

Finding the Fourth Proportional to 108,828.28, 163,143.99 and 38,691.19

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Solution

The fourth proportional to 108,828.28, 163,143.99 and 38,691.19 is: 58,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,828.28 : 163,143.99 = 38,691.19 : x
  2. Step 2: Convert to fraction form
    108,828.28/163,143.99 = 38,691.19/x
  3. Step 3: Cross multiply
    108,828.28x = 163,143.99 × 38,691.19
  4. Step 4: Simplify right side
    108,828.28x = 6,312,234,298.73
  5. Step 5: Solve for x
    x = 6,312,234,298.73/108,828.28
  6. Step 6: Final answer
    x = 58,001.79

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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.