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Finding the Fourth Proportional to 181,559.28, 250,490.28 and 129,832.68

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Solution

The fourth proportional to 181,559.28, 250,490.28 and 129,832.68 is: 179,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,559.28 : 250,490.28 = 129,832.68 : x
  2. Step 2: Convert to fraction form
    181,559.28/250,490.28 = 129,832.68/x
  3. Step 3: Cross multiply
    181,559.28x = 250,490.28 × 129,832.68
  4. Step 4: Simplify right side
    181,559.28x = 32,521,824,366.35
  5. Step 5: Solve for x
    x = 32,521,824,366.35/181,559.28
  6. Step 6: Final answer
    x = 179,125.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.