Home / 252,696.15-378,716.45-102,761.91

Finding the Fourth Proportional to 252,696.15, 378,716.45 and 102,761.91

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Solution

The fourth proportional to 252,696.15, 378,716.45 and 102,761.91 is: 154,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,696.15 : 378,716.45 = 102,761.91 : x
  2. Step 2: Convert to fraction form
    252,696.15/378,716.45 = 102,761.91/x
  3. Step 3: Cross multiply
    252,696.15x = 378,716.45 × 102,761.91
  4. Step 4: Simplify right side
    252,696.15x = 38,917,625,236.61
  5. Step 5: Solve for x
    x = 38,917,625,236.61/252,696.15
  6. Step 6: Final answer
    x = 154,009.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.