Home / 143,952.90-198,655.26-80,294.79

Finding the Fourth Proportional to 143,952.90, 198,655.26 and 80,294.79

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Solution

The fourth proportional to 143,952.90, 198,655.26 and 80,294.79 is: 110,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,952.90 : 198,655.26 = 80,294.79 : x
  2. Step 2: Convert to fraction form
    143,952.90/198,655.26 = 80,294.79/x
  3. Step 3: Cross multiply
    143,952.90x = 198,655.26 × 80,294.79
  4. Step 4: Simplify right side
    143,952.90x = 15,950,982,384.10
  5. Step 5: Solve for x
    x = 15,950,982,384.10/143,952.90
  6. Step 6: Final answer
    x = 110,806.95

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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.