Home / 220,177.28-303,904.44-129,562.38

Finding the Fourth Proportional to 220,177.28, 303,904.44 and 129,562.38

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Solution

The fourth proportional to 220,177.28, 303,904.44 and 129,562.38 is: 178,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,177.28 : 303,904.44 = 129,562.38 : x
  2. Step 2: Convert to fraction form
    220,177.28/303,904.44 = 129,562.38/x
  3. Step 3: Cross multiply
    220,177.28x = 303,904.44 × 129,562.38
  4. Step 4: Simplify right side
    220,177.28x = 39,374,582,538.97
  5. Step 5: Solve for x
    x = 39,374,582,538.97/220,177.28
  6. Step 6: Final answer
    x = 178,831.27

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1.5x scale

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.