Home / 84,170.72-126,273.36-25,001.12

Finding the Fourth Proportional to 84,170.72, 126,273.36 and 25,001.12

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Solution

The fourth proportional to 84,170.72, 126,273.36 and 25,001.12 is: 37,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.72 : 126,273.36 = 25,001.12 : x
  2. Step 2: Convert to fraction form
    84,170.72/126,273.36 = 25,001.12/x
  3. Step 3: Cross multiply
    84,170.72x = 126,273.36 × 25,001.12
  4. Step 4: Simplify right side
    84,170.72x = 3,156,975,426.16
  5. Step 5: Solve for x
    x = 3,156,975,426.16/84,170.72
  6. Step 6: Final answer
    x = 37,506.81

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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.