Home / 79,198.17-109,288.87-43,381.95

Finding the Fourth Proportional to 79,198.17, 109,288.87 and 43,381.95

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Solution

The fourth proportional to 79,198.17, 109,288.87 and 43,381.95 is: 59,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.17 : 109,288.87 = 43,381.95 : x
  2. Step 2: Convert to fraction form
    79,198.17/109,288.87 = 43,381.95/x
  3. Step 3: Cross multiply
    79,198.17x = 109,288.87 × 43,381.95
  4. Step 4: Simplify right side
    79,198.17x = 4,741,164,293.90
  5. Step 5: Solve for x
    x = 4,741,164,293.90/79,198.17
  6. Step 6: Final answer
    x = 59,864.57

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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.