Home / 129,835.24-194,601.10-115,073

Finding the Fourth Proportional to 129,835.24, 194,601.10 and 115,073

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Solution

The fourth proportional to 129,835.24, 194,601.10 and 115,073 is: 172,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,835.24 : 194,601.10 = 115,073 : x
  2. Step 2: Convert to fraction form
    129,835.24/194,601.10 = 115,073/x
  3. Step 3: Cross multiply
    129,835.24x = 194,601.10 × 115,073
  4. Step 4: Simplify right side
    129,835.24x = 22,393,332,380.30
  5. Step 5: Solve for x
    x = 22,393,332,380.30/129,835.24
  6. Step 6: Final answer
    x = 172,475.00

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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.