Home / 132,350.10-198,525.15-90,359.70

Finding the Fourth Proportional to 132,350.10, 198,525.15 and 90,359.70

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Solution

The fourth proportional to 132,350.10, 198,525.15 and 90,359.70 is: 135,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.10 : 198,525.15 = 90,359.70 : x
  2. Step 2: Convert to fraction form
    132,350.10/198,525.15 = 90,359.70/x
  3. Step 3: Cross multiply
    132,350.10x = 198,525.15 × 90,359.70
  4. Step 4: Simplify right side
    132,350.10x = 17,938,672,996.46
  5. Step 5: Solve for x
    x = 17,938,672,996.46/132,350.10
  6. Step 6: Final answer
    x = 135,539.55

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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.