Home / 142,960.72-214,439.76-36,344.92

Finding the Fourth Proportional to 142,960.72, 214,439.76 and 36,344.92

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Solution

The fourth proportional to 142,960.72, 214,439.76 and 36,344.92 is: 54,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,960.72 : 214,439.76 = 36,344.92 : x
  2. Step 2: Convert to fraction form
    142,960.72/214,439.76 = 36,344.92/x
  3. Step 3: Cross multiply
    142,960.72x = 214,439.76 × 36,344.92
  4. Step 4: Simplify right side
    142,960.72x = 7,793,795,922.02
  5. Step 5: Solve for x
    x = 7,793,795,922.02/142,960.72
  6. Step 6: Final answer
    x = 54,517.04

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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.