Home / 102,237.20-141,083.88-57,516.56

Finding the Fourth Proportional to 102,237.20, 141,083.88 and 57,516.56

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Solution

The fourth proportional to 102,237.20, 141,083.88 and 57,516.56 is: 79,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,237.20 : 141,083.88 = 57,516.56 : x
  2. Step 2: Convert to fraction form
    102,237.20/141,083.88 = 57,516.56/x
  3. Step 3: Cross multiply
    102,237.20x = 141,083.88 × 57,516.56
  4. Step 4: Simplify right side
    102,237.20x = 8,114,659,449.05
  5. Step 5: Solve for x
    x = 8,114,659,449.05/102,237.20
  6. Step 6: Final answer
    x = 79,370.91

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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.