Home / 154,351.08-231,163.74-75,217.32

Finding the Fourth Proportional to 154,351.08, 231,163.74 and 75,217.32

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Solution

The fourth proportional to 154,351.08, 231,163.74 and 75,217.32 is: 112,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,351.08 : 231,163.74 = 75,217.32 : x
  2. Step 2: Convert to fraction form
    154,351.08/231,163.74 = 75,217.32/x
  3. Step 3: Cross multiply
    154,351.08x = 231,163.74 × 75,217.32
  4. Step 4: Simplify right side
    154,351.08x = 17,387,517,003.98
  5. Step 5: Solve for x
    x = 17,387,517,003.98/154,351.08
  6. Step 6: Final answer
    x = 112,649.14

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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.