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Finding the Fourth Proportional to 129,695.80, 194,631.24 and 50,800.24

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Solution

The fourth proportional to 129,695.80, 194,631.24 and 50,800.24 is: 76,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,695.80 : 194,631.24 = 50,800.24 : x
  2. Step 2: Convert to fraction form
    129,695.80/194,631.24 = 50,800.24/x
  3. Step 3: Cross multiply
    129,695.80x = 194,631.24 × 50,800.24
  4. Step 4: Simplify right side
    129,695.80x = 9,887,313,703.50
  5. Step 5: Solve for x
    x = 9,887,313,703.50/129,695.80
  6. Step 6: Final answer
    x = 76,234.65

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1.5x scale

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.