Home / 129,630.55-194,451.98-62,991.30

Finding the Fourth Proportional to 129,630.55, 194,451.98 and 62,991.30

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Solution

The fourth proportional to 129,630.55, 194,451.98 and 62,991.30 is: 94,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,630.55 : 194,451.98 = 62,991.30 : x
  2. Step 2: Convert to fraction form
    129,630.55/194,451.98 = 62,991.30/x
  3. Step 3: Cross multiply
    129,630.55x = 194,451.98 × 62,991.30
  4. Step 4: Simplify right side
    129,630.55x = 12,248,782,047.07
  5. Step 5: Solve for x
    x = 12,248,782,047.07/129,630.55
  6. Step 6: Final answer
    x = 94,489.93

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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.