Home / 126,652.15-190,195.56-112,452.72

Finding the Fourth Proportional to 126,652.15, 190,195.56 and 112,452.72

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Solution

The fourth proportional to 126,652.15, 190,195.56 and 112,452.72 is: 168,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,652.15 : 190,195.56 = 112,452.72 : x
  2. Step 2: Convert to fraction form
    126,652.15/190,195.56 = 112,452.72/x
  3. Step 3: Cross multiply
    126,652.15x = 190,195.56 × 112,452.72
  4. Step 4: Simplify right side
    126,652.15x = 21,388,007,340.69
  5. Step 5: Solve for x
    x = 21,388,007,340.69/126,652.15
  6. Step 6: Final answer
    x = 168,872.04

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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.