Home / 127,115.10-175,418.36-69,755.38

Finding the Fourth Proportional to 127,115.10, 175,418.36 and 69,755.38

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Solution

The fourth proportional to 127,115.10, 175,418.36 and 69,755.38 is: 96,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.10 : 175,418.36 = 69,755.38 : x
  2. Step 2: Convert to fraction form
    127,115.10/175,418.36 = 69,755.38/x
  3. Step 3: Cross multiply
    127,115.10x = 175,418.36 × 69,755.38
  4. Step 4: Simplify right side
    127,115.10x = 12,236,374,360.78
  5. Step 5: Solve for x
    x = 12,236,374,360.78/127,115.10
  6. Step 6: Final answer
    x = 96,262.16

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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.