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Finding the Fourth Proportional to 181,859.60, 273,372.60 and 129,630.80

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Solution

The fourth proportional to 181,859.60, 273,372.60 and 129,630.80 is: 194,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,859.60 : 273,372.60 = 129,630.80 : x
  2. Step 2: Convert to fraction form
    181,859.60/273,372.60 = 129,630.80/x
  3. Step 3: Cross multiply
    181,859.60x = 273,372.60 × 129,630.80
  4. Step 4: Simplify right side
    181,859.60x = 35,437,508,836.08
  5. Step 5: Solve for x
    x = 35,437,508,836.08/181,859.60
  6. Step 6: Final answer
    x = 194,861.91

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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.