Home / 155,265.65-232,732.37-80,310.33

Finding the Fourth Proportional to 155,265.65, 232,732.37 and 80,310.33

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Solution

The fourth proportional to 155,265.65, 232,732.37 and 80,310.33 is: 120,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,265.65 : 232,732.37 = 80,310.33 : x
  2. Step 2: Convert to fraction form
    155,265.65/232,732.37 = 80,310.33/x
  3. Step 3: Cross multiply
    155,265.65x = 232,732.37 × 80,310.33
  4. Step 4: Simplify right side
    155,265.65x = 18,690,813,436.38
  5. Step 5: Solve for x
    x = 18,690,813,436.38/155,265.65
  6. Step 6: Final answer
    x = 120,379.58

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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.