Home / 80,630.26-120,947.51-21,466.04

Finding the Fourth Proportional to 80,630.26, 120,947.51 and 21,466.04

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Solution

The fourth proportional to 80,630.26, 120,947.51 and 21,466.04 is: 32,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630.26 : 120,947.51 = 21,466.04 : x
  2. Step 2: Convert to fraction form
    80,630.26/120,947.51 = 21,466.04/x
  3. Step 3: Cross multiply
    80,630.26x = 120,947.51 × 21,466.04
  4. Step 4: Simplify right side
    80,630.26x = 2,596,263,536.49
  5. Step 5: Solve for x
    x = 2,596,263,536.49/80,630.26
  6. Step 6: Final answer
    x = 32,199.62

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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.