Home / 237,976.08-356,965.35-80,205.90

Finding the Fourth Proportional to 237,976.08, 356,965.35 and 80,205.90

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Solution

The fourth proportional to 237,976.08, 356,965.35 and 80,205.90 is: 120,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,976.08 : 356,965.35 = 80,205.90 : x
  2. Step 2: Convert to fraction form
    237,976.08/356,965.35 = 80,205.90/x
  3. Step 3: Cross multiply
    237,976.08x = 356,965.35 × 80,205.90
  4. Step 4: Simplify right side
    237,976.08x = 28,630,727,165.57
  5. Step 5: Solve for x
    x = 28,630,727,165.57/237,976.08
  6. Step 6: Final answer
    x = 120,309.26

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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.