Home / 127,877.20-192,017.40-75,326.80

Finding the Fourth Proportional to 127,877.20, 192,017.40 and 75,326.80

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Solution

The fourth proportional to 127,877.20, 192,017.40 and 75,326.80 is: 113,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877.20 : 192,017.40 = 75,326.80 : x
  2. Step 2: Convert to fraction form
    127,877.20/192,017.40 = 75,326.80/x
  3. Step 3: Cross multiply
    127,877.20x = 192,017.40 × 75,326.80
  4. Step 4: Simplify right side
    127,877.20x = 14,464,056,286.32
  5. Step 5: Solve for x
    x = 14,464,056,286.32/127,877.20
  6. Step 6: Final answer
    x = 113,108.95

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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.