Home / 102,826.26-141,907.41-57,519.18

Finding the Fourth Proportional to 102,826.26, 141,907.41 and 57,519.18

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Solution

The fourth proportional to 102,826.26, 141,907.41 and 57,519.18 is: 79,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.26 : 141,907.41 = 57,519.18 : x
  2. Step 2: Convert to fraction form
    102,826.26/141,907.41 = 57,519.18/x
  3. Step 3: Cross multiply
    102,826.26x = 141,907.41 × 57,519.18
  4. Step 4: Simplify right side
    102,826.26x = 8,162,397,859.12
  5. Step 5: Solve for x
    x = 8,162,397,859.12/102,826.26
  6. Step 6: Final answer
    x = 79,380.48

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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.