Home / 181,520.20-271,956.30-87,819.40

Finding the Fourth Proportional to 181,520.20, 271,956.30 and 87,819.40

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Solution

The fourth proportional to 181,520.20, 271,956.30 and 87,819.40 is: 131,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,520.20 : 271,956.30 = 87,819.40 : x
  2. Step 2: Convert to fraction form
    181,520.20/271,956.30 = 87,819.40/x
  3. Step 3: Cross multiply
    181,520.20x = 271,956.30 × 87,819.40
  4. Step 4: Simplify right side
    181,520.20x = 23,883,039,092.22
  5. Step 5: Solve for x
    x = 23,883,039,092.22/181,520.20
  6. Step 6: Final answer
    x = 131,572.35

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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.