Home / 137,645.76-206,449.20-44,139.36

Finding the Fourth Proportional to 137,645.76, 206,449.20 and 44,139.36

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Solution

The fourth proportional to 137,645.76, 206,449.20 and 44,139.36 is: 66,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,645.76 : 206,449.20 = 44,139.36 : x
  2. Step 2: Convert to fraction form
    137,645.76/206,449.20 = 44,139.36/x
  3. Step 3: Cross multiply
    137,645.76x = 206,449.20 × 44,139.36
  4. Step 4: Simplify right side
    137,645.76x = 9,112,535,560.51
  5. Step 5: Solve for x
    x = 9,112,535,560.51/137,645.76
  6. Step 6: Final answer
    x = 66,202.81

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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.