Home / 102,238.20-141,085.26-57,517.56

Finding the Fourth Proportional to 102,238.20, 141,085.26 and 57,517.56

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Solution

The fourth proportional to 102,238.20, 141,085.26 and 57,517.56 is: 79,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,238.20 : 141,085.26 = 57,517.56 : x
  2. Step 2: Convert to fraction form
    102,238.20/141,085.26 = 57,517.56/x
  3. Step 3: Cross multiply
    102,238.20x = 141,085.26 × 57,517.56
  4. Step 4: Simplify right side
    102,238.20x = 8,114,879,907.17
  5. Step 5: Solve for x
    x = 8,114,879,907.17/102,238.20
  6. Step 6: Final answer
    x = 79,372.29

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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.