Home / 151,132.20-226,872.90-81,148.20

Finding the Fourth Proportional to 151,132.20, 226,872.90 and 81,148.20

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Solution

The fourth proportional to 151,132.20, 226,872.90 and 81,148.20 is: 121,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,132.20 : 226,872.90 = 81,148.20 : x
  2. Step 2: Convert to fraction form
    151,132.20/226,872.90 = 81,148.20/x
  3. Step 3: Cross multiply
    151,132.20x = 226,872.90 × 81,148.20
  4. Step 4: Simplify right side
    151,132.20x = 18,410,327,463.78
  5. Step 5: Solve for x
    x = 18,410,327,463.78/151,132.20
  6. Step 6: Final answer
    x = 121,816.05

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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.