Home / 181,139.94-271,756.05-81,337.88

Finding the Fourth Proportional to 181,139.94, 271,756.05 and 81,337.88

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Solution

The fourth proportional to 181,139.94, 271,756.05 and 81,337.88 is: 122,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,139.94 : 271,756.05 = 81,337.88 : x
  2. Step 2: Convert to fraction form
    181,139.94/271,756.05 = 81,337.88/x
  3. Step 3: Cross multiply
    181,139.94x = 271,756.05 × 81,337.88
  4. Step 4: Simplify right side
    181,139.94x = 22,104,061,358.55
  5. Step 5: Solve for x
    x = 22,104,061,358.55/181,139.94
  6. Step 6: Final answer
    x = 122,027.54

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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.