Home / 84,288.70-126,458.42-25,124.36

Finding the Fourth Proportional to 84,288.70, 126,458.42 and 25,124.36

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Solution

The fourth proportional to 84,288.70, 126,458.42 and 25,124.36 is: 37,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,288.70 : 126,458.42 = 25,124.36 : x
  2. Step 2: Convert to fraction form
    84,288.70/126,458.42 = 25,124.36/x
  3. Step 3: Cross multiply
    84,288.70x = 126,458.42 × 25,124.36
  4. Step 4: Simplify right side
    84,288.70x = 3,177,186,869.11
  5. Step 5: Solve for x
    x = 3,177,186,869.11/84,288.70
  6. Step 6: Final answer
    x = 37,694.10

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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.