Home / 151,811.10-227,854.35-76,983.30

Finding the Fourth Proportional to 151,811.10, 227,854.35 and 76,983.30

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Solution

The fourth proportional to 151,811.10, 227,854.35 and 76,983.30 is: 115,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,811.10 : 227,854.35 = 76,983.30 : x
  2. Step 2: Convert to fraction form
    151,811.10/227,854.35 = 76,983.30/x
  3. Step 3: Cross multiply
    151,811.10x = 227,854.35 × 76,983.30
  4. Step 4: Simplify right side
    151,811.10x = 17,540,979,782.36
  5. Step 5: Solve for x
    x = 17,540,979,782.36/151,811.10
  6. Step 6: Final answer
    x = 115,544.78

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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.