Home / 126,319.38-174,314.62-71,866.42

Finding the Fourth Proportional to 126,319.38, 174,314.62 and 71,866.42

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Solution

The fourth proportional to 126,319.38, 174,314.62 and 71,866.42 is: 99,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.38 : 174,314.62 = 71,866.42 : x
  2. Step 2: Convert to fraction form
    126,319.38/174,314.62 = 71,866.42/x
  3. Step 3: Cross multiply
    126,319.38x = 174,314.62 × 71,866.42
  4. Step 4: Simplify right side
    126,319.38x = 12,527,367,693.06
  5. Step 5: Solve for x
    x = 12,527,367,693.06/126,319.38
  6. Step 6: Final answer
    x = 99,172.18

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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.