Home / 221,436.52-305,583.24-120,834.52

Finding the Fourth Proportional to 221,436.52, 305,583.24 and 120,834.52

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Solution

The fourth proportional to 221,436.52, 305,583.24 and 120,834.52 is: 166,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,436.52 : 305,583.24 = 120,834.52 : x
  2. Step 2: Convert to fraction form
    221,436.52/305,583.24 = 120,834.52/x
  3. Step 3: Cross multiply
    221,436.52x = 305,583.24 × 120,834.52
  4. Step 4: Simplify right side
    221,436.52x = 36,925,004,125.44
  5. Step 5: Solve for x
    x = 36,925,004,125.44/221,436.52
  6. Step 6: Final answer
    x = 166,752.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.