Home / 132,387.20-198,580.80-122,249.60

Finding the Fourth Proportional to 132,387.20, 198,580.80 and 122,249.60

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Solution

The fourth proportional to 132,387.20, 198,580.80 and 122,249.60 is: 183,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.20 : 198,580.80 = 122,249.60 : x
  2. Step 2: Convert to fraction form
    132,387.20/198,580.80 = 122,249.60/x
  3. Step 3: Cross multiply
    132,387.20x = 198,580.80 × 122,249.60
  4. Step 4: Simplify right side
    132,387.20x = 24,276,423,367.68
  5. Step 5: Solve for x
    x = 24,276,423,367.68/132,387.20
  6. Step 6: Final answer
    x = 183,374.40

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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.