Home / 106,441.19-159,661.79-43,295.66

Finding the Fourth Proportional to 106,441.19, 159,661.79 and 43,295.66

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Solution

The fourth proportional to 106,441.19, 159,661.79 and 43,295.66 is: 64,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,441.19 : 159,661.79 = 43,295.66 : x
  2. Step 2: Convert to fraction form
    106,441.19/159,661.79 = 43,295.66/x
  3. Step 3: Cross multiply
    106,441.19x = 159,661.79 × 43,295.66
  4. Step 4: Simplify right side
    106,441.19x = 6,912,661,560.04
  5. Step 5: Solve for x
    x = 6,912,661,560.04/106,441.19
  6. Step 6: Final answer
    x = 64,943.49

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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.