Home / 251,025.48-376,584.12-82,555.20

Finding the Fourth Proportional to 251,025.48, 376,584.12 and 82,555.20

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Solution

The fourth proportional to 251,025.48, 376,584.12 and 82,555.20 is: 123,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,025.48 : 376,584.12 = 82,555.20 : x
  2. Step 2: Convert to fraction form
    251,025.48/376,584.12 = 82,555.20/x
  3. Step 3: Cross multiply
    251,025.48x = 376,584.12 × 82,555.20
  4. Step 4: Simplify right side
    251,025.48x = 31,088,977,343.42
  5. Step 5: Solve for x
    x = 31,088,977,343.42/251,025.48
  6. Step 6: Final answer
    x = 123,847.90

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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.