Home / 135,011.80-202,517.70-132,387.40

Finding the Fourth Proportional to 135,011.80, 202,517.70 and 132,387.40

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Solution

The fourth proportional to 135,011.80, 202,517.70 and 132,387.40 is: 198,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,011.80 : 202,517.70 = 132,387.40 : x
  2. Step 2: Convert to fraction form
    135,011.80/202,517.70 = 132,387.40/x
  3. Step 3: Cross multiply
    135,011.80x = 202,517.70 × 132,387.40
  4. Step 4: Simplify right side
    135,011.80x = 26,810,791,756.98
  5. Step 5: Solve for x
    x = 26,810,791,756.98/135,011.80
  6. Step 6: Final answer
    x = 198,581.10

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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.