Home / 133,020.90-199,531.35-88,503.30

Finding the Fourth Proportional to 133,020.90, 199,531.35 and 88,503.30

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Solution

The fourth proportional to 133,020.90, 199,531.35 and 88,503.30 is: 132,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.90 : 199,531.35 = 88,503.30 : x
  2. Step 2: Convert to fraction form
    133,020.90/199,531.35 = 88,503.30/x
  3. Step 3: Cross multiply
    133,020.90x = 199,531.35 × 88,503.30
  4. Step 4: Simplify right side
    133,020.90x = 17,659,182,928.46
  5. Step 5: Solve for x
    x = 17,659,182,928.46/133,020.90
  6. Step 6: Final answer
    x = 132,754.95

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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.