Home / 143,323.20-215,234.28-132,057.45

Finding the Fourth Proportional to 143,323.20, 215,234.28 and 132,057.45

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Solution

The fourth proportional to 143,323.20, 215,234.28 and 132,057.45 is: 198,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,323.20 : 215,234.28 = 132,057.45 : x
  2. Step 2: Convert to fraction form
    143,323.20/215,234.28 = 132,057.45/x
  3. Step 3: Cross multiply
    143,323.20x = 215,234.28 × 132,057.45
  4. Step 4: Simplify right side
    143,323.20x = 28,423,290,169.39
  5. Step 5: Solve for x
    x = 28,423,290,169.39/143,323.20
  6. Step 6: Final answer
    x = 198,316.04

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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.