Home / 155,865.08-233,375.31-80,827.88

Finding the Fourth Proportional to 155,865.08, 233,375.31 and 80,827.88

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Solution

The fourth proportional to 155,865.08, 233,375.31 and 80,827.88 is: 121,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,865.08 : 233,375.31 = 80,827.88 : x
  2. Step 2: Convert to fraction form
    155,865.08/233,375.31 = 80,827.88/x
  3. Step 3: Cross multiply
    155,865.08x = 233,375.31 × 80,827.88
  4. Step 4: Simplify right side
    155,865.08x = 18,863,230,384.77
  5. Step 5: Solve for x
    x = 18,863,230,384.77/155,865.08
  6. Step 6: Final answer
    x = 121,022.81

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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.