Home / 138,028.84-207,091.86-67,957.36

Finding the Fourth Proportional to 138,028.84, 207,091.86 and 67,957.36

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Solution

The fourth proportional to 138,028.84, 207,091.86 and 67,957.36 is: 101,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,028.84 : 207,091.86 = 67,957.36 : x
  2. Step 2: Convert to fraction form
    138,028.84/207,091.86 = 67,957.36/x
  3. Step 3: Cross multiply
    138,028.84x = 207,091.86 × 67,957.36
  4. Step 4: Simplify right side
    138,028.84x = 14,073,416,083.09
  5. Step 5: Solve for x
    x = 14,073,416,083.09/138,028.84
  6. Step 6: Final answer
    x = 101,959.97

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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.