Home / 133,644.74-200,438.89-79,633.36

Finding the Fourth Proportional to 133,644.74, 200,438.89 and 79,633.36

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Solution

The fourth proportional to 133,644.74, 200,438.89 and 79,633.36 is: 119,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,644.74 : 200,438.89 = 79,633.36 : x
  2. Step 2: Convert to fraction form
    133,644.74/200,438.89 = 79,633.36/x
  3. Step 3: Cross multiply
    133,644.74x = 200,438.89 × 79,633.36
  4. Step 4: Simplify right side
    133,644.74x = 15,961,622,336.84
  5. Step 5: Solve for x
    x = 15,961,622,336.84/133,644.74
  6. Step 6: Final answer
    x = 119,433.23

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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.