Home / 138,016.06-207,067.85-49,267.66

Finding the Fourth Proportional to 138,016.06, 207,067.85 and 49,267.66

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Solution

The fourth proportional to 138,016.06, 207,067.85 and 49,267.66 is: 73,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,016.06 : 207,067.85 = 49,267.66 : x
  2. Step 2: Convert to fraction form
    138,016.06/207,067.85 = 49,267.66/x
  3. Step 3: Cross multiply
    138,016.06x = 207,067.85 × 49,267.66
  4. Step 4: Simplify right side
    138,016.06x = 10,201,748,430.73
  5. Step 5: Solve for x
    x = 10,201,748,430.73/138,016.06
  6. Step 6: Final answer
    x = 73,917.11

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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.