Home / 140,028.32-209,979.30-40,165.60

Finding the Fourth Proportional to 140,028.32, 209,979.30 and 40,165.60

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Solution

The fourth proportional to 140,028.32, 209,979.30 and 40,165.60 is: 60,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,028.32 : 209,979.30 = 40,165.60 : x
  2. Step 2: Convert to fraction form
    140,028.32/209,979.30 = 40,165.60/x
  3. Step 3: Cross multiply
    140,028.32x = 209,979.30 × 40,165.60
  4. Step 4: Simplify right side
    140,028.32x = 8,433,944,572.08
  5. Step 5: Solve for x
    x = 8,433,944,572.08/140,028.32
  6. Step 6: Final answer
    x = 60,230.28

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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.