Home / 251,638.30-377,515.69-131,760.37

Finding the Fourth Proportional to 251,638.30, 377,515.69 and 131,760.37

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Solution

The fourth proportional to 251,638.30, 377,515.69 and 131,760.37 is: 197,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,638.30 : 377,515.69 = 131,760.37 : x
  2. Step 2: Convert to fraction form
    251,638.30/377,515.69 = 131,760.37/x
  3. Step 3: Cross multiply
    251,638.30x = 377,515.69 × 131,760.37
  4. Step 4: Simplify right side
    251,638.30x = 49,741,606,336.40
  5. Step 5: Solve for x
    x = 49,741,606,336.40/251,638.30
  6. Step 6: Final answer
    x = 197,671.05

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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.