Home / 102,268.85-141,135.17-56,943.96

Finding the Fourth Proportional to 102,268.85, 141,135.17 and 56,943.96

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Solution

The fourth proportional to 102,268.85, 141,135.17 and 56,943.96 is: 78,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,268.85 : 141,135.17 = 56,943.96 : x
  2. Step 2: Convert to fraction form
    102,268.85/141,135.17 = 56,943.96/x
  3. Step 3: Cross multiply
    102,268.85x = 141,135.17 × 56,943.96
  4. Step 4: Simplify right side
    102,268.85x = 8,036,794,661.10
  5. Step 5: Solve for x
    x = 8,036,794,661.10/102,268.85
  6. Step 6: Final answer
    x = 78,584.97

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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.