Home / 154,741.52-231,801.24-80,714

Finding the Fourth Proportional to 154,741.52, 231,801.24 and 80,714

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Solution

The fourth proportional to 154,741.52, 231,801.24 and 80,714 is: 120,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,741.52 : 231,801.24 = 80,714 : x
  2. Step 2: Convert to fraction form
    154,741.52/231,801.24 = 80,714/x
  3. Step 3: Cross multiply
    154,741.52x = 231,801.24 × 80,714
  4. Step 4: Simplify right side
    154,741.52x = 18,709,605,285.36
  5. Step 5: Solve for x
    x = 18,709,605,285.36/154,741.52
  6. Step 6: Final answer
    x = 120,908.76

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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.