Home / 128,984.42-192,146.39-125,067.26

Finding the Fourth Proportional to 128,984.42, 192,146.39 and 125,067.26

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Solution

The fourth proportional to 128,984.42, 192,146.39 and 125,067.26 is: 186,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,984.42 : 192,146.39 = 125,067.26 : x
  2. Step 2: Convert to fraction form
    128,984.42/192,146.39 = 125,067.26/x
  3. Step 3: Cross multiply
    128,984.42x = 192,146.39 × 125,067.26
  4. Step 4: Simplify right side
    128,984.42x = 24,031,220,930.12
  5. Step 5: Solve for x
    x = 24,031,220,930.12/128,984.42
  6. Step 6: Final answer
    x = 186,311.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.