Home / 181,217.17-250,086.72-100,650.81

Finding the Fourth Proportional to 181,217.17, 250,086.72 and 100,650.81

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Solution

The fourth proportional to 181,217.17, 250,086.72 and 100,650.81 is: 138,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,217.17 : 250,086.72 = 100,650.81 : x
  2. Step 2: Convert to fraction form
    181,217.17/250,086.72 = 100,650.81/x
  3. Step 3: Cross multiply
    181,217.17x = 250,086.72 × 100,650.81
  4. Step 4: Simplify right side
    181,217.17x = 25,171,430,938.24
  5. Step 5: Solve for x
    x = 25,171,430,938.24/181,217.17
  6. Step 6: Final answer
    x = 138,902.02

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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.