Home / 84,966.40-127,449.60-75,926.80

Finding the Fourth Proportional to 84,966.40, 127,449.60 and 75,926.80

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Solution

The fourth proportional to 84,966.40, 127,449.60 and 75,926.80 is: 113,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.40 : 127,449.60 = 75,926.80 : x
  2. Step 2: Convert to fraction form
    84,966.40/127,449.60 = 75,926.80/x
  3. Step 3: Cross multiply
    84,966.40x = 127,449.60 × 75,926.80
  4. Step 4: Simplify right side
    84,966.40x = 9,676,840,289.28
  5. Step 5: Solve for x
    x = 9,676,840,289.28/84,966.40
  6. Step 6: Final answer
    x = 113,890.20

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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.