Home / 85,097.20-127,650.60-25,934.80

Finding the Fourth Proportional to 85,097.20, 127,650.60 and 25,934.80

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Solution

The fourth proportional to 85,097.20, 127,650.60 and 25,934.80 is: 38,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.20 : 127,650.60 = 25,934.80 : x
  2. Step 2: Convert to fraction form
    85,097.20/127,650.60 = 25,934.80/x
  3. Step 3: Cross multiply
    85,097.20x = 127,650.60 × 25,934.80
  4. Step 4: Simplify right side
    85,097.20x = 3,310,592,780.88
  5. Step 5: Solve for x
    x = 3,310,592,780.88/85,097.20
  6. Step 6: Final answer
    x = 38,903.66

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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.