Home / 141,816.20-212,724.30-71,832.20

Finding the Fourth Proportional to 141,816.20, 212,724.30 and 71,832.20

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Solution

The fourth proportional to 141,816.20, 212,724.30 and 71,832.20 is: 107,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.20 : 212,724.30 = 71,832.20 : x
  2. Step 2: Convert to fraction form
    141,816.20/212,724.30 = 71,832.20/x
  3. Step 3: Cross multiply
    141,816.20x = 212,724.30 × 71,832.20
  4. Step 4: Simplify right side
    141,816.20x = 15,280,454,462.46
  5. Step 5: Solve for x
    x = 15,280,454,462.46/141,816.20
  6. Step 6: Final answer
    x = 107,748.30

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Similar ratio
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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.