Home / 84,256.11-126,389.70-25,086.87

Finding the Fourth Proportional to 84,256.11, 126,389.70 and 25,086.87

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Solution

The fourth proportional to 84,256.11, 126,389.70 and 25,086.87 is: 37,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.11 : 126,389.70 = 25,086.87 : x
  2. Step 2: Convert to fraction form
    84,256.11/126,389.70 = 25,086.87/x
  3. Step 3: Cross multiply
    84,256.11x = 126,389.70 × 25,086.87
  4. Step 4: Simplify right side
    84,256.11x = 3,170,721,973.24
  5. Step 5: Solve for x
    x = 3,170,721,973.24/84,256.11
  6. Step 6: Final answer
    x = 37,631.95

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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.