Home / 221,453.15-331,680.24-102,874.95

Finding the Fourth Proportional to 221,453.15, 331,680.24 and 102,874.95

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Solution

The fourth proportional to 221,453.15, 331,680.24 and 102,874.95 is: 154,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,453.15 : 331,680.24 = 102,874.95 : x
  2. Step 2: Convert to fraction form
    221,453.15/331,680.24 = 102,874.95/x
  3. Step 3: Cross multiply
    221,453.15x = 331,680.24 × 102,874.95
  4. Step 4: Simplify right side
    221,453.15x = 34,121,588,105.99
  5. Step 5: Solve for x
    x = 34,121,588,105.99/221,453.15
  6. Step 6: Final answer
    x = 154,080.40

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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.