Home / 222,517.09-333,796.16-72,758.15

Finding the Fourth Proportional to 222,517.09, 333,796.16 and 72,758.15

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Solution

The fourth proportional to 222,517.09, 333,796.16 and 72,758.15 is: 109,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,517.09 : 333,796.16 = 72,758.15 : x
  2. Step 2: Convert to fraction form
    222,517.09/333,796.16 = 72,758.15/x
  3. Step 3: Cross multiply
    222,517.09x = 333,796.16 × 72,758.15
  4. Step 4: Simplify right side
    222,517.09x = 24,286,389,880.42
  5. Step 5: Solve for x
    x = 24,286,389,880.42/222,517.09
  6. Step 6: Final answer
    x = 109,143.93

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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.