Home / 125,949.91-173,817.31-71,505.89

Finding the Fourth Proportional to 125,949.91, 173,817.31 and 71,505.89

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Solution

The fourth proportional to 125,949.91, 173,817.31 and 71,505.89 is: 98,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,949.91 : 173,817.31 = 71,505.89 : x
  2. Step 2: Convert to fraction form
    125,949.91/173,817.31 = 71,505.89/x
  3. Step 3: Cross multiply
    125,949.91x = 173,817.31 × 71,505.89
  4. Step 4: Simplify right side
    125,949.91x = 12,428,961,704.73
  5. Step 5: Solve for x
    x = 12,428,961,704.73/125,949.91
  6. Step 6: Final answer
    x = 98,681.79

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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.