Home / 251,781.97-377,676.93-140,171.61

Finding the Fourth Proportional to 251,781.97, 377,676.93 and 140,171.61

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Solution

The fourth proportional to 251,781.97, 377,676.93 and 140,171.61 is: 210,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,781.97 : 377,676.93 = 140,171.61 : x
  2. Step 2: Convert to fraction form
    251,781.97/377,676.93 = 140,171.61/x
  3. Step 3: Cross multiply
    251,781.97x = 377,676.93 × 140,171.61
  4. Step 4: Simplify right side
    251,781.97x = 52,939,584,491.42
  5. Step 5: Solve for x
    x = 52,939,584,491.42/251,781.97
  6. Step 6: Final answer
    x = 210,259.63

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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.