Home / 129,918.94-179,288.13-73,333.96

Finding the Fourth Proportional to 129,918.94, 179,288.13 and 73,333.96

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Solution

The fourth proportional to 129,918.94, 179,288.13 and 73,333.96 is: 101,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,918.94 : 179,288.13 = 73,333.96 : x
  2. Step 2: Convert to fraction form
    129,918.94/179,288.13 = 73,333.96/x
  3. Step 3: Cross multiply
    129,918.94x = 179,288.13 × 73,333.96
  4. Step 4: Simplify right side
    129,918.94x = 13,147,908,380.68
  5. Step 5: Solve for x
    x = 13,147,908,380.68/129,918.94
  6. Step 6: Final answer
    x = 101,200.86

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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.