Home / 115,023.75-172,563.31-36,137.95

Finding the Fourth Proportional to 115,023.75, 172,563.31 and 36,137.95

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Solution

The fourth proportional to 115,023.75, 172,563.31 and 36,137.95 is: 54,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,023.75 : 172,563.31 = 36,137.95 : x
  2. Step 2: Convert to fraction form
    115,023.75/172,563.31 = 36,137.95/x
  3. Step 3: Cross multiply
    115,023.75x = 172,563.31 × 36,137.95
  4. Step 4: Simplify right side
    115,023.75x = 6,236,083,882.38
  5. Step 5: Solve for x
    x = 6,236,083,882.38/115,023.75
  6. Step 6: Final answer
    x = 54,215.62

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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.