Home / 188,382.12-259,966.26-102,340.38

Finding the Fourth Proportional to 188,382.12, 259,966.26 and 102,340.38

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Solution

The fourth proportional to 188,382.12, 259,966.26 and 102,340.38 is: 141,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,382.12 : 259,966.26 = 102,340.38 : x
  2. Step 2: Convert to fraction form
    188,382.12/259,966.26 = 102,340.38/x
  3. Step 3: Cross multiply
    188,382.12x = 259,966.26 × 102,340.38
  4. Step 4: Simplify right side
    188,382.12x = 26,605,045,835.58
  5. Step 5: Solve for x
    x = 26,605,045,835.58/188,382.12
  6. Step 6: Final answer
    x = 141,229.15

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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.