Home / 127,170.44-175,513.49-76,185.35

Finding the Fourth Proportional to 127,170.44, 175,513.49 and 76,185.35

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Solution

The fourth proportional to 127,170.44, 175,513.49 and 76,185.35 is: 105,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,170.44 : 175,513.49 = 76,185.35 : x
  2. Step 2: Convert to fraction form
    127,170.44/175,513.49 = 76,185.35/x
  3. Step 3: Cross multiply
    127,170.44x = 175,513.49 × 76,185.35
  4. Step 4: Simplify right side
    127,170.44x = 13,371,555,406.88
  5. Step 5: Solve for x
    x = 13,371,555,406.88/127,170.44
  6. Step 6: Final answer
    x = 105,146.73

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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.