Home / 101,334.27-139,853.15-84,308.48

Finding the Fourth Proportional to 101,334.27, 139,853.15 and 84,308.48

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Solution

The fourth proportional to 101,334.27, 139,853.15 and 84,308.48 is: 116,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,334.27 : 139,853.15 = 84,308.48 : x
  2. Step 2: Convert to fraction form
    101,334.27/139,853.15 = 84,308.48/x
  3. Step 3: Cross multiply
    101,334.27x = 139,853.15 × 84,308.48
  4. Step 4: Simplify right side
    101,334.27x = 11,790,805,378.90
  5. Step 5: Solve for x
    x = 11,790,805,378.90/101,334.27
  6. Step 6: Final answer
    x = 116,355.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.