Home / 136,519.38-188,397.67-76,093.91

Finding the Fourth Proportional to 136,519.38, 188,397.67 and 76,093.91

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Solution

The fourth proportional to 136,519.38, 188,397.67 and 76,093.91 is: 105,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,519.38 : 188,397.67 = 76,093.91 : x
  2. Step 2: Convert to fraction form
    136,519.38/188,397.67 = 76,093.91/x
  3. Step 3: Cross multiply
    136,519.38x = 188,397.67 × 76,093.91
  4. Step 4: Simplify right side
    136,519.38x = 14,335,915,345.19
  5. Step 5: Solve for x
    x = 14,335,915,345.19/136,519.38
  6. Step 6: Final answer
    x = 105,010.11

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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.