Home / 115,418.10-172,997.55-48,846.90

Finding the Fourth Proportional to 115,418.10, 172,997.55 and 48,846.90

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Solution

The fourth proportional to 115,418.10, 172,997.55 and 48,846.90 is: 73,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.10 : 172,997.55 = 48,846.90 : x
  2. Step 2: Convert to fraction form
    115,418.10/172,997.55 = 48,846.90/x
  3. Step 3: Cross multiply
    115,418.10x = 172,997.55 × 48,846.90
  4. Step 4: Simplify right side
    115,418.10x = 8,450,394,025.10
  5. Step 5: Solve for x
    x = 8,450,394,025.10/115,418.10
  6. Step 6: Final answer
    x = 73,215.50

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1.5x scale

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.