Home / 115,924.67-159,972.98-68,180.94

Finding the Fourth Proportional to 115,924.67, 159,972.98 and 68,180.94

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Solution

The fourth proportional to 115,924.67, 159,972.98 and 68,180.94 is: 94,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.67 : 159,972.98 = 68,180.94 : x
  2. Step 2: Convert to fraction form
    115,924.67/159,972.98 = 68,180.94/x
  3. Step 3: Cross multiply
    115,924.67x = 159,972.98 × 68,180.94
  4. Step 4: Simplify right side
    115,924.67x = 10,907,107,810.10
  5. Step 5: Solve for x
    x = 10,907,107,810.10/115,924.67
  6. Step 6: Final answer
    x = 94,087.89

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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.