Home / 84,141.23-126,235.76-34,257.13

Finding the Fourth Proportional to 84,141.23, 126,235.76 and 34,257.13

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Solution

The fourth proportional to 84,141.23, 126,235.76 and 34,257.13 is: 51,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.23 : 126,235.76 = 34,257.13 : x
  2. Step 2: Convert to fraction form
    84,141.23/126,235.76 = 34,257.13/x
  3. Step 3: Cross multiply
    84,141.23x = 126,235.76 × 34,257.13
  4. Step 4: Simplify right side
    84,141.23x = 4,324,474,354.09
  5. Step 5: Solve for x
    x = 4,324,474,354.09/84,141.23
  6. Step 6: Final answer
    x = 51,395.43

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1.5x scale

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.