Home / 115,240.35-172,747.50-55,251.80

Finding the Fourth Proportional to 115,240.35, 172,747.50 and 55,251.80

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Solution

The fourth proportional to 115,240.35, 172,747.50 and 55,251.80 is: 82,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,240.35 : 172,747.50 = 55,251.80 : x
  2. Step 2: Convert to fraction form
    115,240.35/172,747.50 = 55,251.80/x
  3. Step 3: Cross multiply
    115,240.35x = 172,747.50 × 55,251.80
  4. Step 4: Simplify right side
    115,240.35x = 9,544,610,320.50
  5. Step 5: Solve for x
    x = 9,544,610,320.50/115,240.35
  6. Step 6: Final answer
    x = 82,823.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.