Home / 123,999.19-186,022.73-52,920.79

Finding the Fourth Proportional to 123,999.19, 186,022.73 and 52,920.79

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Solution

The fourth proportional to 123,999.19, 186,022.73 and 52,920.79 is: 79,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,999.19 : 186,022.73 = 52,920.79 : x
  2. Step 2: Convert to fraction form
    123,999.19/186,022.73 = 52,920.79/x
  3. Step 3: Cross multiply
    123,999.19x = 186,022.73 × 52,920.79
  4. Step 4: Simplify right side
    123,999.19x = 9,844,469,829.56
  5. Step 5: Solve for x
    x = 9,844,469,829.56/123,999.19
  6. Step 6: Final answer
    x = 79,391.40

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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.