Home / 143,366.52-197,847.24-78,839.16

Finding the Fourth Proportional to 143,366.52, 197,847.24 and 78,839.16

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Solution

The fourth proportional to 143,366.52, 197,847.24 and 78,839.16 is: 108,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,366.52 : 197,847.24 = 78,839.16 : x
  2. Step 2: Convert to fraction form
    143,366.52/197,847.24 = 78,839.16/x
  3. Step 3: Cross multiply
    143,366.52x = 197,847.24 × 78,839.16
  4. Step 4: Simplify right side
    143,366.52x = 15,598,110,209.92
  5. Step 5: Solve for x
    x = 15,598,110,209.92/143,366.52
  6. Step 6: Final answer
    x = 108,798.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.