Home / 251,939.07-377,961.91-83,449.85

Finding the Fourth Proportional to 251,939.07, 377,961.91 and 83,449.85

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Solution

The fourth proportional to 251,939.07, 377,961.91 and 83,449.85 is: 125,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,939.07 : 377,961.91 = 83,449.85 : x
  2. Step 2: Convert to fraction form
    251,939.07/377,961.91 = 83,449.85/x
  3. Step 3: Cross multiply
    251,939.07x = 377,961.91 × 83,449.85
  4. Step 4: Simplify right side
    251,939.07x = 31,540,864,277.96
  5. Step 5: Solve for x
    x = 31,540,864,277.96/251,939.07
  6. Step 6: Final answer
    x = 125,192.43

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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.