Home / 143,836.59-198,579.63-127,876.97

Finding the Fourth Proportional to 143,836.59, 198,579.63 and 127,876.97

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Solution

The fourth proportional to 143,836.59, 198,579.63 and 127,876.97 is: 176,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,836.59 : 198,579.63 = 127,876.97 : x
  2. Step 2: Convert to fraction form
    143,836.59/198,579.63 = 127,876.97/x
  3. Step 3: Cross multiply
    143,836.59x = 198,579.63 × 127,876.97
  4. Step 4: Simplify right side
    143,836.59x = 25,393,760,395.22
  5. Step 5: Solve for x
    x = 25,393,760,395.22/143,836.59
  6. Step 6: Final answer
    x = 176,545.90

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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.