Home / 123,587.10-185,306.67-39,310.92

Finding the Fourth Proportional to 123,587.10, 185,306.67 and 39,310.92

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Solution

The fourth proportional to 123,587.10, 185,306.67 and 39,310.92 is: 58,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587.10 : 185,306.67 = 39,310.92 : x
  2. Step 2: Convert to fraction form
    123,587.10/185,306.67 = 39,310.92/x
  3. Step 3: Cross multiply
    123,587.10x = 185,306.67 × 39,310.92
  4. Step 4: Simplify right side
    123,587.10x = 7,284,575,679.84
  5. Step 5: Solve for x
    x = 7,284,575,679.84/123,587.10
  6. Step 6: Final answer
    x = 58,942.85

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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.