Home / 154,182.80-231,162.32-104,137.76

Finding the Fourth Proportional to 154,182.80, 231,162.32 and 104,137.76

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Solution

The fourth proportional to 154,182.80, 231,162.32 and 104,137.76 is: 156,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,182.80 : 231,162.32 = 104,137.76 : x
  2. Step 2: Convert to fraction form
    154,182.80/231,162.32 = 104,137.76/x
  3. Step 3: Cross multiply
    154,182.80x = 231,162.32 × 104,137.76
  4. Step 4: Simplify right side
    154,182.80x = 24,072,726,201.20
  5. Step 5: Solve for x
    x = 24,072,726,201.20/154,182.80
  6. Step 6: Final answer
    x = 156,131.07

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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.