Home / 127,996.12-192,129.45-71,884.18

Finding the Fourth Proportional to 127,996.12, 192,129.45 and 71,884.18

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Solution

The fourth proportional to 127,996.12, 192,129.45 and 71,884.18 is: 107,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,996.12 : 192,129.45 = 71,884.18 : x
  2. Step 2: Convert to fraction form
    127,996.12/192,129.45 = 71,884.18/x
  3. Step 3: Cross multiply
    127,996.12x = 192,129.45 × 71,884.18
  4. Step 4: Simplify right side
    127,996.12x = 13,811,067,967.10
  5. Step 5: Solve for x
    x = 13,811,067,967.10/127,996.12
  6. Step 6: Final answer
    x = 107,902.24

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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.