Home / 106,629.36-159,943.24-43,434.64

Finding the Fourth Proportional to 106,629.36, 159,943.24 and 43,434.64

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Solution

The fourth proportional to 106,629.36, 159,943.24 and 43,434.64 is: 65,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,629.36 : 159,943.24 = 43,434.64 : x
  2. Step 2: Convert to fraction form
    106,629.36/159,943.24 = 43,434.64/x
  3. Step 3: Cross multiply
    106,629.36x = 159,943.24 × 43,434.64
  4. Step 4: Simplify right side
    106,629.36x = 6,947,077,049.83
  5. Step 5: Solve for x
    x = 6,947,077,049.83/106,629.36
  6. Step 6: Final answer
    x = 65,151.63

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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.