Home / 115,842.33-159,901.83-68,109.84

Finding the Fourth Proportional to 115,842.33, 159,901.83 and 68,109.84

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Solution

The fourth proportional to 115,842.33, 159,901.83 and 68,109.84 is: 94,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842.33 : 159,901.83 = 68,109.84 : x
  2. Step 2: Convert to fraction form
    115,842.33/159,901.83 = 68,109.84/x
  3. Step 3: Cross multiply
    115,842.33x = 159,901.83 × 68,109.84
  4. Step 4: Simplify right side
    115,842.33x = 10,890,888,057.01
  5. Step 5: Solve for x
    x = 10,890,888,057.01/115,842.33
  6. Step 6: Final answer
    x = 94,014.75

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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.