Home / 143,677.14-198,274.38-83,282.78

Finding the Fourth Proportional to 143,677.14, 198,274.38 and 83,282.78

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Solution

The fourth proportional to 143,677.14, 198,274.38 and 83,282.78 is: 114,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,677.14 : 198,274.38 = 83,282.78 : x
  2. Step 2: Convert to fraction form
    143,677.14/198,274.38 = 83,282.78/x
  3. Step 3: Cross multiply
    143,677.14x = 198,274.38 × 83,282.78
  4. Step 4: Simplify right side
    143,677.14x = 16,512,842,221.02
  5. Step 5: Solve for x
    x = 16,512,842,221.02/143,677.14
  6. Step 6: Final answer
    x = 114,930.20

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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.