Home / 132,110.20-198,165.30-82,343.80

Finding the Fourth Proportional to 132,110.20, 198,165.30 and 82,343.80

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Solution

The fourth proportional to 132,110.20, 198,165.30 and 82,343.80 is: 123,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.20 : 198,165.30 = 82,343.80 : x
  2. Step 2: Convert to fraction form
    132,110.20/198,165.30 = 82,343.80/x
  3. Step 3: Cross multiply
    132,110.20x = 198,165.30 × 82,343.80
  4. Step 4: Simplify right side
    132,110.20x = 16,317,683,830.14
  5. Step 5: Solve for x
    x = 16,317,683,830.14/132,110.20
  6. Step 6: Final answer
    x = 123,515.70

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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.