Home / 132,349.60-198,524.40-90,359.20

Finding the Fourth Proportional to 132,349.60, 198,524.40 and 90,359.20

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Solution

The fourth proportional to 132,349.60, 198,524.40 and 90,359.20 is: 135,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,349.60 : 198,524.40 = 90,359.20 : x
  2. Step 2: Convert to fraction form
    132,349.60/198,524.40 = 90,359.20/x
  3. Step 3: Cross multiply
    132,349.60x = 198,524.40 × 90,359.20
  4. Step 4: Simplify right side
    132,349.60x = 17,938,505,964.48
  5. Step 5: Solve for x
    x = 17,938,505,964.48/132,349.60
  6. Step 6: Final answer
    x = 135,538.80

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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.