Home / 92,523.16-138,781.76-39,200.90

Finding the Fourth Proportional to 92,523.16, 138,781.76 and 39,200.90

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Solution

The fourth proportional to 92,523.16, 138,781.76 and 39,200.90 is: 58,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,523.16 : 138,781.76 = 39,200.90 : x
  2. Step 2: Convert to fraction form
    92,523.16/138,781.76 = 39,200.90/x
  3. Step 3: Cross multiply
    92,523.16x = 138,781.76 × 39,200.90
  4. Step 4: Simplify right side
    92,523.16x = 5,440,369,005.67
  5. Step 5: Solve for x
    x = 5,440,369,005.67/92,523.16
  6. Step 6: Final answer
    x = 58,800.08

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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.