Home / 127,185.90-175,517.22-79,466.93

Finding the Fourth Proportional to 127,185.90, 175,517.22 and 79,466.93

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Solution

The fourth proportional to 127,185.90, 175,517.22 and 79,466.93 is: 109,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.90 : 175,517.22 = 79,466.93 : x
  2. Step 2: Convert to fraction form
    127,185.90/175,517.22 = 79,466.93/x
  3. Step 3: Cross multiply
    127,185.90x = 175,517.22 × 79,466.93
  4. Step 4: Simplify right side
    127,185.90x = 13,947,813,757.95
  5. Step 5: Solve for x
    x = 13,947,813,757.95/127,185.90
  6. Step 6: Final answer
    x = 109,664.78

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1.5x scale

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.