Home / 127,195.30-175,560.78-73,512.55

Finding the Fourth Proportional to 127,195.30, 175,560.78 and 73,512.55

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Solution

The fourth proportional to 127,195.30, 175,560.78 and 73,512.55 is: 101,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.30 : 175,560.78 = 73,512.55 : x
  2. Step 2: Convert to fraction form
    127,195.30/175,560.78 = 73,512.55/x
  3. Step 3: Cross multiply
    127,195.30x = 175,560.78 × 73,512.55
  4. Step 4: Simplify right side
    127,195.30x = 12,905,920,617.79
  5. Step 5: Solve for x
    x = 12,905,920,617.79/127,195.30
  6. Step 6: Final answer
    x = 101,465.39

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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.