Home / 84,171.72-126,274.86-25,002.12

Finding the Fourth Proportional to 84,171.72, 126,274.86 and 25,002.12

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Solution

The fourth proportional to 84,171.72, 126,274.86 and 25,002.12 is: 37,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.72 : 126,274.86 = 25,002.12 : x
  2. Step 2: Convert to fraction form
    84,171.72/126,274.86 = 25,002.12/x
  3. Step 3: Cross multiply
    84,171.72x = 126,274.86 × 25,002.12
  4. Step 4: Simplify right side
    84,171.72x = 3,157,139,202.70
  5. Step 5: Solve for x
    x = 3,157,139,202.70/84,171.72
  6. Step 6: Final answer
    x = 37,508.31

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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.