Home / 137,849.12-206,788.06-38,009.33

Finding the Fourth Proportional to 137,849.12, 206,788.06 and 38,009.33

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Solution

The fourth proportional to 137,849.12, 206,788.06 and 38,009.33 is: 57,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,849.12 : 206,788.06 = 38,009.33 : x
  2. Step 2: Convert to fraction form
    137,849.12/206,788.06 = 38,009.33/x
  3. Step 3: Cross multiply
    137,849.12x = 206,788.06 × 38,009.33
  4. Step 4: Simplify right side
    137,849.12x = 7,859,876,177.08
  5. Step 5: Solve for x
    x = 7,859,876,177.08/137,849.12
  6. Step 6: Final answer
    x = 57,017.96

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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.