Home / 99,475.60-149,098.20-40,272.40

Finding the Fourth Proportional to 99,475.60, 149,098.20 and 40,272.40

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Solution

The fourth proportional to 99,475.60, 149,098.20 and 40,272.40 is: 60,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,475.60 : 149,098.20 = 40,272.40 : x
  2. Step 2: Convert to fraction form
    99,475.60/149,098.20 = 40,272.40/x
  3. Step 3: Cross multiply
    99,475.60x = 149,098.20 × 40,272.40
  4. Step 4: Simplify right side
    99,475.60x = 6,004,542,349.68
  5. Step 5: Solve for x
    x = 6,004,542,349.68/99,475.60
  6. Step 6: Final answer
    x = 60,361.96

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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.