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Finding the Fourth Proportional to 181,158.96, 271,634.76 and 75,889.20

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Solution

The fourth proportional to 181,158.96, 271,634.76 and 75,889.20 is: 113,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,158.96 : 271,634.76 = 75,889.20 : x
  2. Step 2: Convert to fraction form
    181,158.96/271,634.76 = 75,889.20/x
  3. Step 3: Cross multiply
    181,158.96x = 271,634.76 × 75,889.20
  4. Step 4: Simplify right side
    181,158.96x = 20,614,144,628.59
  5. Step 5: Solve for x
    x = 20,614,144,628.59/181,158.96
  6. Step 6: Final answer
    x = 113,790.37

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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.