Home / 102,723.89-141,773.04-59,115.54

Finding the Fourth Proportional to 102,723.89, 141,773.04 and 59,115.54

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Solution

The fourth proportional to 102,723.89, 141,773.04 and 59,115.54 is: 81,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.89 : 141,773.04 = 59,115.54 : x
  2. Step 2: Convert to fraction form
    102,723.89/141,773.04 = 59,115.54/x
  3. Step 3: Cross multiply
    102,723.89x = 141,773.04 × 59,115.54
  4. Step 4: Simplify right side
    102,723.89x = 8,380,989,817.04
  5. Step 5: Solve for x
    x = 8,380,989,817.04/102,723.89
  6. Step 6: Final answer
    x = 81,587.54

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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.