Home / 126,316.38-174,310.48-71,863.42

Finding the Fourth Proportional to 126,316.38, 174,310.48 and 71,863.42

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Solution

The fourth proportional to 126,316.38, 174,310.48 and 71,863.42 is: 99,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.38 : 174,310.48 = 71,863.42 : x
  2. Step 2: Convert to fraction form
    126,316.38/174,310.48 = 71,863.42/x
  3. Step 3: Cross multiply
    126,316.38x = 174,310.48 × 71,863.42
  4. Step 4: Simplify right side
    126,316.38x = 12,526,547,760.25
  5. Step 5: Solve for x
    x = 12,526,547,760.25/126,316.38
  6. Step 6: Final answer
    x = 99,168.04

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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.