Home / 127,112.70-175,431.12-73,397.64

Finding the Fourth Proportional to 127,112.70, 175,431.12 and 73,397.64

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Solution

The fourth proportional to 127,112.70, 175,431.12 and 73,397.64 is: 101,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.70 : 175,431.12 = 73,397.64 : x
  2. Step 2: Convert to fraction form
    127,112.70/175,431.12 = 73,397.64/x
  3. Step 3: Cross multiply
    127,112.70x = 175,431.12 × 73,397.64
  4. Step 4: Simplify right side
    127,112.70x = 12,876,230,190.56
  5. Step 5: Solve for x
    x = 12,876,230,190.56/127,112.70
  6. Step 6: Final answer
    x = 101,297.75

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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.