Home / 181,229.40-250,089.65-100,662.09

Finding the Fourth Proportional to 181,229.40, 250,089.65 and 100,662.09

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Solution

The fourth proportional to 181,229.40, 250,089.65 and 100,662.09 is: 138,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.40 : 250,089.65 = 100,662.09 : x
  2. Step 2: Convert to fraction form
    181,229.40/250,089.65 = 100,662.09/x
  3. Step 3: Cross multiply
    181,229.40x = 250,089.65 × 100,662.09
  4. Step 4: Simplify right side
    181,229.40x = 25,174,545,853.66
  5. Step 5: Solve for x
    x = 25,174,545,853.66/181,229.40
  6. Step 6: Final answer
    x = 138,909.84

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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.