Home / 99,452.80-149,179.20-97,812.55

Finding the Fourth Proportional to 99,452.80, 149,179.20 and 97,812.55

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Solution

The fourth proportional to 99,452.80, 149,179.20 and 97,812.55 is: 146,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.80 : 149,179.20 = 97,812.55 : x
  2. Step 2: Convert to fraction form
    99,452.80/149,179.20 = 97,812.55/x
  3. Step 3: Cross multiply
    99,452.80x = 149,179.20 × 97,812.55
  4. Step 4: Simplify right side
    99,452.80x = 14,591,597,958.96
  5. Step 5: Solve for x
    x = 14,591,597,958.96/99,452.80
  6. Step 6: Final answer
    x = 146,718.83

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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.