Home / 80,116.16-119,999.10-40,605.44

Finding the Fourth Proportional to 80,116.16, 119,999.10 and 40,605.44

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Solution

The fourth proportional to 80,116.16, 119,999.10 and 40,605.44 is: 60,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,116.16 : 119,999.10 = 40,605.44 : x
  2. Step 2: Convert to fraction form
    80,116.16/119,999.10 = 40,605.44/x
  3. Step 3: Cross multiply
    80,116.16x = 119,999.10 × 40,605.44
  4. Step 4: Simplify right side
    80,116.16x = 4,872,616,255.10
  5. Step 5: Solve for x
    x = 4,872,616,255.10/80,116.16
  6. Step 6: Final answer
    x = 60,819.39

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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.