Home / 136,276.36-188,067.56-75,850.86

Finding the Fourth Proportional to 136,276.36, 188,067.56 and 75,850.86

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Solution

The fourth proportional to 136,276.36, 188,067.56 and 75,850.86 is: 104,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.36 : 188,067.56 = 75,850.86 : x
  2. Step 2: Convert to fraction form
    136,276.36/188,067.56 = 75,850.86/x
  3. Step 3: Cross multiply
    136,276.36x = 188,067.56 × 75,850.86
  4. Step 4: Simplify right side
    136,276.36x = 14,265,086,164.10
  5. Step 5: Solve for x
    x = 14,265,086,164.10/136,276.36
  6. Step 6: Final answer
    x = 104,677.63

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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.