Home / 102,398.22-141,305.04-57,081.18

Finding the Fourth Proportional to 102,398.22, 141,305.04 and 57,081.18

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Solution

The fourth proportional to 102,398.22, 141,305.04 and 57,081.18 is: 78,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,398.22 : 141,305.04 = 57,081.18 : x
  2. Step 2: Convert to fraction form
    102,398.22/141,305.04 = 57,081.18/x
  3. Step 3: Cross multiply
    102,398.22x = 141,305.04 × 57,081.18
  4. Step 4: Simplify right side
    102,398.22x = 8,065,858,423.15
  5. Step 5: Solve for x
    x = 8,065,858,423.15/102,398.22
  6. Step 6: Final answer
    x = 78,769.52

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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.