Home / 102,506.08-141,458.16-57,793.76

Finding the Fourth Proportional to 102,506.08, 141,458.16 and 57,793.76

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Solution

The fourth proportional to 102,506.08, 141,458.16 and 57,793.76 is: 79,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,506.08 : 141,458.16 = 57,793.76 : x
  2. Step 2: Convert to fraction form
    102,506.08/141,458.16 = 57,793.76/x
  3. Step 3: Cross multiply
    102,506.08x = 141,458.16 × 57,793.76
  4. Step 4: Simplify right side
    102,506.08x = 8,175,398,949.08
  5. Step 5: Solve for x
    x = 8,175,398,949.08/102,506.08
  6. Step 6: Final answer
    x = 79,755.26

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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.