Home / 84,341.92-126,508.56-25,178.08

Finding the Fourth Proportional to 84,341.92, 126,508.56 and 25,178.08

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Solution

The fourth proportional to 84,341.92, 126,508.56 and 25,178.08 is: 37,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.92 : 126,508.56 = 25,178.08 : x
  2. Step 2: Convert to fraction form
    84,341.92/126,508.56 = 25,178.08/x
  3. Step 3: Cross multiply
    84,341.92x = 126,508.56 × 25,178.08
  4. Step 4: Simplify right side
    84,341.92x = 3,185,242,644.36
  5. Step 5: Solve for x
    x = 3,185,242,644.36/84,341.92
  6. Step 6: Final answer
    x = 37,765.83

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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.