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Finding the Fourth Proportional to 127,114.84, 175,375.03 and 72,627.92

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Solution

The fourth proportional to 127,114.84, 175,375.03 and 72,627.92 is: 100,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.84 : 175,375.03 = 72,627.92 : x
  2. Step 2: Convert to fraction form
    127,114.84/175,375.03 = 72,627.92/x
  3. Step 3: Cross multiply
    127,114.84x = 175,375.03 × 72,627.92
  4. Step 4: Simplify right side
    127,114.84x = 12,737,122,975.68
  5. Step 5: Solve for x
    x = 12,737,122,975.68/127,114.84
  6. Step 6: Final answer
    x = 100,201.70

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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.