Home / 202,344.90-303,517.35-139,359.30

Finding the Fourth Proportional to 202,344.90, 303,517.35 and 139,359.30

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Solution

The fourth proportional to 202,344.90, 303,517.35 and 139,359.30 is: 209,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.90 : 303,517.35 = 139,359.30 : x
  2. Step 2: Convert to fraction form
    202,344.90/303,517.35 = 139,359.30/x
  3. Step 3: Cross multiply
    202,344.90x = 303,517.35 × 139,359.30
  4. Step 4: Simplify right side
    202,344.90x = 42,297,965,433.86
  5. Step 5: Solve for x
    x = 42,297,965,433.86/202,344.90
  6. Step 6: Final answer
    x = 209,038.95

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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.