Home / 136,268.86-188,007.27-82,536.70

Finding the Fourth Proportional to 136,268.86, 188,007.27 and 82,536.70

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Solution

The fourth proportional to 136,268.86, 188,007.27 and 82,536.70 is: 113,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,268.86 : 188,007.27 = 82,536.70 : x
  2. Step 2: Convert to fraction form
    136,268.86/188,007.27 = 82,536.70/x
  3. Step 3: Cross multiply
    136,268.86x = 188,007.27 × 82,536.70
  4. Step 4: Simplify right side
    136,268.86x = 15,517,499,641.81
  5. Step 5: Solve for x
    x = 15,517,499,641.81/136,268.86
  6. Step 6: Final answer
    x = 113,874.14

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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.