Home / 80,169.22-120,252.57-27,579.16

Finding the Fourth Proportional to 80,169.22, 120,252.57 and 27,579.16

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Solution

The fourth proportional to 80,169.22, 120,252.57 and 27,579.16 is: 41,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,169.22 : 120,252.57 = 27,579.16 : x
  2. Step 2: Convert to fraction form
    80,169.22/120,252.57 = 27,579.16/x
  3. Step 3: Cross multiply
    80,169.22x = 120,252.57 × 27,579.16
  4. Step 4: Simplify right side
    80,169.22x = 3,316,464,868.44
  5. Step 5: Solve for x
    x = 3,316,464,868.44/80,169.22
  6. Step 6: Final answer
    x = 41,368.31

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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.