Home / 235,079.42-352,759.17-85,331.36

Finding the Fourth Proportional to 235,079.42, 352,759.17 and 85,331.36

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Solution

The fourth proportional to 235,079.42, 352,759.17 and 85,331.36 is: 128,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,079.42 : 352,759.17 = 85,331.36 : x
  2. Step 2: Convert to fraction form
    235,079.42/352,759.17 = 85,331.36/x
  3. Step 3: Cross multiply
    235,079.42x = 352,759.17 × 85,331.36
  4. Step 4: Simplify right side
    235,079.42x = 30,101,419,728.57
  5. Step 5: Solve for x
    x = 30,101,419,728.57/235,079.42
  6. Step 6: Final answer
    x = 128,047.87

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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.