Home / 80,178.26-110,572.90-68,844.20

Finding the Fourth Proportional to 80,178.26, 110,572.90 and 68,844.20

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Solution

The fourth proportional to 80,178.26, 110,572.90 and 68,844.20 is: 94,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178.26 : 110,572.90 = 68,844.20 : x
  2. Step 2: Convert to fraction form
    80,178.26/110,572.90 = 68,844.20/x
  3. Step 3: Cross multiply
    80,178.26x = 110,572.90 × 68,844.20
  4. Step 4: Simplify right side
    80,178.26x = 7,612,302,117.21
  5. Step 5: Solve for x
    x = 7,612,302,117.21/80,178.26
  6. Step 6: Final answer
    x = 94,942.23

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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.