Home / 147,400.97-203,414.02-83,742.26

Finding the Fourth Proportional to 147,400.97, 203,414.02 and 83,742.26

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Solution

The fourth proportional to 147,400.97, 203,414.02 and 83,742.26 is: 115,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.97 : 203,414.02 = 83,742.26 : x
  2. Step 2: Convert to fraction form
    147,400.97/203,414.02 = 83,742.26/x
  3. Step 3: Cross multiply
    147,400.97x = 203,414.02 × 83,742.26
  4. Step 4: Simplify right side
    147,400.97x = 17,034,350,049.66
  5. Step 5: Solve for x
    x = 17,034,350,049.66/147,400.97
  6. Step 6: Final answer
    x = 115,564.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.