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Finding the Fourth Proportional to 181,280.75, 271,926.48 and 86,520.92

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Solution

The fourth proportional to 181,280.75, 271,926.48 and 86,520.92 is: 129,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,280.75 : 271,926.48 = 86,520.92 : x
  2. Step 2: Convert to fraction form
    181,280.75/271,926.48 = 86,520.92/x
  3. Step 3: Cross multiply
    181,280.75x = 271,926.48 × 86,520.92
  4. Step 4: Simplify right side
    181,280.75x = 23,527,327,862.33
  5. Step 5: Solve for x
    x = 23,527,327,862.33/181,280.75
  6. Step 6: Final answer
    x = 129,783.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.