Home / 185,381.31-255,823.90-108,907.38

Finding the Fourth Proportional to 185,381.31, 255,823.90 and 108,907.38

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Solution

The fourth proportional to 185,381.31, 255,823.90 and 108,907.38 is: 150,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,381.31 : 255,823.90 = 108,907.38 : x
  2. Step 2: Convert to fraction form
    185,381.31/255,823.90 = 108,907.38/x
  3. Step 3: Cross multiply
    185,381.31x = 255,823.90 × 108,907.38
  4. Step 4: Simplify right side
    185,381.31x = 27,861,110,690.38
  5. Step 5: Solve for x
    x = 27,861,110,690.38/185,381.31
  6. Step 6: Final answer
    x = 150,290.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.