Home / 144,211.86-216,016.07-115,979.31

Finding the Fourth Proportional to 144,211.86, 216,016.07 and 115,979.31

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Solution

The fourth proportional to 144,211.86, 216,016.07 and 115,979.31 is: 173,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,211.86 : 216,016.07 = 115,979.31 : x
  2. Step 2: Convert to fraction form
    144,211.86/216,016.07 = 115,979.31/x
  3. Step 3: Cross multiply
    144,211.86x = 216,016.07 × 115,979.31
  4. Step 4: Simplify right side
    144,211.86x = 25,053,394,167.62
  5. Step 5: Solve for x
    x = 25,053,394,167.62/144,211.86
  6. Step 6: Final answer
    x = 173,726.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.