Home / 181,229.43-250,089.70-100,662.13

Finding the Fourth Proportional to 181,229.43, 250,089.70 and 100,662.13

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Solution

The fourth proportional to 181,229.43, 250,089.70 and 100,662.13 is: 138,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.43 : 250,089.70 = 100,662.13 : x
  2. Step 2: Convert to fraction form
    181,229.43/250,089.70 = 100,662.13/x
  3. Step 3: Cross multiply
    181,229.43x = 250,089.70 × 100,662.13
  4. Step 4: Simplify right side
    181,229.43x = 25,174,561,393.66
  5. Step 5: Solve for x
    x = 25,174,561,393.66/181,229.43
  6. Step 6: Final answer
    x = 138,909.89

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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.