Home / 78,414.35-117,626.03-22,250.07

Finding the Fourth Proportional to 78,414.35, 117,626.03 and 22,250.07

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Solution

The fourth proportional to 78,414.35, 117,626.03 and 22,250.07 is: 33,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,414.35 : 117,626.03 = 22,250.07 : x
  2. Step 2: Convert to fraction form
    78,414.35/117,626.03 = 22,250.07/x
  3. Step 3: Cross multiply
    78,414.35x = 117,626.03 × 22,250.07
  4. Step 4: Simplify right side
    78,414.35x = 2,617,187,401.32
  5. Step 5: Solve for x
    x = 2,617,187,401.32/78,414.35
  6. Step 6: Final answer
    x = 33,376.38

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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.