Home / 80,166.30-120,185.37-38,025.18

Finding the Fourth Proportional to 80,166.30, 120,185.37 and 38,025.18

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Solution

The fourth proportional to 80,166.30, 120,185.37 and 38,025.18 is: 57,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,166.30 : 120,185.37 = 38,025.18 : x
  2. Step 2: Convert to fraction form
    80,166.30/120,185.37 = 38,025.18/x
  3. Step 3: Cross multiply
    80,166.30x = 120,185.37 × 38,025.18
  4. Step 4: Simplify right side
    80,166.30x = 4,570,070,327.62
  5. Step 5: Solve for x
    x = 4,570,070,327.62/80,166.30
  6. Step 6: Final answer
    x = 57,007.38

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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.