Home / 251,939.15-377,906.37-102,143.83

Finding the Fourth Proportional to 251,939.15, 377,906.37 and 102,143.83

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Solution

The fourth proportional to 251,939.15, 377,906.37 and 102,143.83 is: 153,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,939.15 : 377,906.37 = 102,143.83 : x
  2. Step 2: Convert to fraction form
    251,939.15/377,906.37 = 102,143.83/x
  3. Step 3: Cross multiply
    251,939.15x = 377,906.37 × 102,143.83
  4. Step 4: Simplify right side
    251,939.15x = 38,600,801,612.95
  5. Step 5: Solve for x
    x = 38,600,801,612.95/251,939.15
  6. Step 6: Final answer
    x = 153,214.78

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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.