Home / 203,930.20-305,895.30-119,730.70

Finding the Fourth Proportional to 203,930.20, 305,895.30 and 119,730.70

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Solution

The fourth proportional to 203,930.20, 305,895.30 and 119,730.70 is: 179,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,930.20 : 305,895.30 = 119,730.70 : x
  2. Step 2: Convert to fraction form
    203,930.20/305,895.30 = 119,730.70/x
  3. Step 3: Cross multiply
    203,930.20x = 305,895.30 × 119,730.70
  4. Step 4: Simplify right side
    203,930.20x = 36,625,058,395.71
  5. Step 5: Solve for x
    x = 36,625,058,395.71/203,930.20
  6. Step 6: Final answer
    x = 179,596.05

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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.