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Finding the Fourth Proportional to 136,393.88, 188,227.19 and 75,967.07

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Solution

The fourth proportional to 136,393.88, 188,227.19 and 75,967.07 is: 104,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,393.88 : 188,227.19 = 75,967.07 : x
  2. Step 2: Convert to fraction form
    136,393.88/188,227.19 = 75,967.07/x
  3. Step 3: Cross multiply
    136,393.88x = 188,227.19 × 75,967.07
  4. Step 4: Simplify right side
    136,393.88x = 14,299,067,367.42
  5. Step 5: Solve for x
    x = 14,299,067,367.42/136,393.88
  6. Step 6: Final answer
    x = 104,836.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.