Home / 149,028.40-223,542.60-132,439.60

Finding the Fourth Proportional to 149,028.40, 223,542.60 and 132,439.60

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Solution

The fourth proportional to 149,028.40, 223,542.60 and 132,439.60 is: 198,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.40 : 223,542.60 = 132,439.60 : x
  2. Step 2: Convert to fraction form
    149,028.40/223,542.60 = 132,439.60/x
  3. Step 3: Cross multiply
    149,028.40x = 223,542.60 × 132,439.60
  4. Step 4: Simplify right side
    149,028.40x = 29,605,892,526.96
  5. Step 5: Solve for x
    x = 29,605,892,526.96/149,028.40
  6. Step 6: Final answer
    x = 198,659.40

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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.