Home / 80,195.11-110,665.30-45,741.20

Finding the Fourth Proportional to 80,195.11, 110,665.30 and 45,741.20

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Solution

The fourth proportional to 80,195.11, 110,665.30 and 45,741.20 is: 63,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,195.11 : 110,665.30 = 45,741.20 : x
  2. Step 2: Convert to fraction form
    80,195.11/110,665.30 = 45,741.20/x
  3. Step 3: Cross multiply
    80,195.11x = 110,665.30 × 45,741.20
  4. Step 4: Simplify right side
    80,195.11x = 5,061,963,620.36
  5. Step 5: Solve for x
    x = 5,061,963,620.36/80,195.11
  6. Step 6: Final answer
    x = 63,120.60

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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.