Home / 102,424.42-141,376.94-59,414.78

Finding the Fourth Proportional to 102,424.42, 141,376.94 and 59,414.78

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Solution

The fourth proportional to 102,424.42, 141,376.94 and 59,414.78 is: 82,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,424.42 : 141,376.94 = 59,414.78 : x
  2. Step 2: Convert to fraction form
    102,424.42/141,376.94 = 59,414.78/x
  3. Step 3: Cross multiply
    102,424.42x = 141,376.94 × 59,414.78
  4. Step 4: Simplify right side
    102,424.42x = 8,399,880,400.56
  5. Step 5: Solve for x
    x = 8,399,880,400.56/102,424.42
  6. Step 6: Final answer
    x = 82,010.53

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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.