Home / 121,515.57-182,272.83-32,778.04

Finding the Fourth Proportional to 121,515.57, 182,272.83 and 32,778.04

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Solution

The fourth proportional to 121,515.57, 182,272.83 and 32,778.04 is: 49,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,515.57 : 182,272.83 = 32,778.04 : x
  2. Step 2: Convert to fraction form
    121,515.57/182,272.83 = 32,778.04/x
  3. Step 3: Cross multiply
    121,515.57x = 182,272.83 × 32,778.04
  4. Step 4: Simplify right side
    121,515.57x = 5,974,546,112.65
  5. Step 5: Solve for x
    x = 5,974,546,112.65/121,515.57
  6. Step 6: Final answer
    x = 49,166.92

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1.5x scale

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.