Home / 181,222.20-250,078.15-100,654.64

Finding the Fourth Proportional to 181,222.20, 250,078.15 and 100,654.64

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Solution

The fourth proportional to 181,222.20, 250,078.15 and 100,654.64 is: 138,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,222.20 : 250,078.15 = 100,654.64 : x
  2. Step 2: Convert to fraction form
    181,222.20/250,078.15 = 100,654.64/x
  3. Step 3: Cross multiply
    181,222.20x = 250,078.15 × 100,654.64
  4. Step 4: Simplify right side
    181,222.20x = 25,171,526,160.12
  5. Step 5: Solve for x
    x = 25,171,526,160.12/181,222.20
  6. Step 6: Final answer
    x = 138,898.69

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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.