Home / 132,002.40-198,003.60-65,416.80

Finding the Fourth Proportional to 132,002.40, 198,003.60 and 65,416.80

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Solution

The fourth proportional to 132,002.40, 198,003.60 and 65,416.80 is: 98,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.40 : 198,003.60 = 65,416.80 : x
  2. Step 2: Convert to fraction form
    132,002.40/198,003.60 = 65,416.80/x
  3. Step 3: Cross multiply
    132,002.40x = 198,003.60 × 65,416.80
  4. Step 4: Simplify right side
    132,002.40x = 12,952,761,900.48
  5. Step 5: Solve for x
    x = 12,952,761,900.48/132,002.40
  6. Step 6: Final answer
    x = 98,125.20

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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.