Home / 143,827.66-198,488.98-80,165.92

Finding the Fourth Proportional to 143,827.66, 198,488.98 and 80,165.92

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Solution

The fourth proportional to 143,827.66, 198,488.98 and 80,165.92 is: 110,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.66 : 198,488.98 = 80,165.92 : x
  2. Step 2: Convert to fraction form
    143,827.66/198,488.98 = 80,165.92/x
  3. Step 3: Cross multiply
    143,827.66x = 198,488.98 × 80,165.92
  4. Step 4: Simplify right side
    143,827.66x = 15,912,051,691.56
  5. Step 5: Solve for x
    x = 15,912,051,691.56/143,827.66
  6. Step 6: Final answer
    x = 110,632.76

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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.