Home / 129,571-194,043.03-62,845.90

Finding the Fourth Proportional to 129,571, 194,043.03 and 62,845.90

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Solution

The fourth proportional to 129,571, 194,043.03 and 62,845.90 is: 94,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,571 : 194,043.03 = 62,845.90 : x
  2. Step 2: Convert to fraction form
    129,571/194,043.03 = 62,845.90/x
  3. Step 3: Cross multiply
    129,571x = 194,043.03 × 62,845.90
  4. Step 4: Simplify right side
    129,571x = 12,194,808,859.08
  5. Step 5: Solve for x
    x = 12,194,808,859.08/129,571
  6. Step 6: Final answer
    x = 94,116.81

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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.