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Finding the Fourth Proportional to 75,194.40, 112,793.40 and 25,276.20

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Solution

The fourth proportional to 75,194.40, 112,793.40 and 25,276.20 is: 37,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,194.40 : 112,793.40 = 25,276.20 : x
  2. Step 2: Convert to fraction form
    75,194.40/112,793.40 = 25,276.20/x
  3. Step 3: Cross multiply
    75,194.40x = 112,793.40 × 25,276.20
  4. Step 4: Simplify right side
    75,194.40x = 2,850,988,537.08
  5. Step 5: Solve for x
    x = 2,850,988,537.08/75,194.40
  6. Step 6: Final answer
    x = 37,914.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.