Home / 143,662.29-198,253.95-83,267.96

Finding the Fourth Proportional to 143,662.29, 198,253.95 and 83,267.96

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Solution

The fourth proportional to 143,662.29, 198,253.95 and 83,267.96 is: 114,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,662.29 : 198,253.95 = 83,267.96 : x
  2. Step 2: Convert to fraction form
    143,662.29/198,253.95 = 83,267.96/x
  3. Step 3: Cross multiply
    143,662.29x = 198,253.95 × 83,267.96
  4. Step 4: Simplify right side
    143,662.29x = 16,508,202,186.61
  5. Step 5: Solve for x
    x = 16,508,202,186.61/143,662.29
  6. Step 6: Final answer
    x = 114,909.78

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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.