Home / 132,144.08-198,246.40-57,276.80

Finding the Fourth Proportional to 132,144.08, 198,246.40 and 57,276.80

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Solution

The fourth proportional to 132,144.08, 198,246.40 and 57,276.80 is: 85,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144.08 : 198,246.40 = 57,276.80 : x
  2. Step 2: Convert to fraction form
    132,144.08/198,246.40 = 57,276.80/x
  3. Step 3: Cross multiply
    132,144.08x = 198,246.40 × 57,276.80
  4. Step 4: Simplify right side
    132,144.08x = 11,354,919,403.52
  5. Step 5: Solve for x
    x = 11,354,919,403.52/132,144.08
  6. Step 6: Final answer
    x = 85,928.32

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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.