Home / 154,077.20-230,698.56-80,049.68

Finding the Fourth Proportional to 154,077.20, 230,698.56 and 80,049.68

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Solution

The fourth proportional to 154,077.20, 230,698.56 and 80,049.68 is: 119,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,077.20 : 230,698.56 = 80,049.68 : x
  2. Step 2: Convert to fraction form
    154,077.20/230,698.56 = 80,049.68/x
  3. Step 3: Cross multiply
    154,077.20x = 230,698.56 × 80,049.68
  4. Step 4: Simplify right side
    154,077.20x = 18,467,345,904.46
  5. Step 5: Solve for x
    x = 18,467,345,904.46/154,077.20
  6. Step 6: Final answer
    x = 119,857.75

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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.