Home / 84,158.38-126,237.19-34,238.07

Finding the Fourth Proportional to 84,158.38, 126,237.19 and 34,238.07

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Solution

The fourth proportional to 84,158.38, 126,237.19 and 34,238.07 is: 51,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.38 : 126,237.19 = 34,238.07 : x
  2. Step 2: Convert to fraction form
    84,158.38/126,237.19 = 34,238.07/x
  3. Step 3: Cross multiply
    84,158.38x = 126,237.19 × 34,238.07
  4. Step 4: Simplify right side
    84,158.38x = 4,322,117,747.82
  5. Step 5: Solve for x
    x = 4,322,117,747.82/84,158.38
  6. Step 6: Final answer
    x = 51,356.95

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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.