Home / 106,629.36-159,796.32-40,002.36

Finding the Fourth Proportional to 106,629.36, 159,796.32 and 40,002.36

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Solution

The fourth proportional to 106,629.36, 159,796.32 and 40,002.36 is: 59,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,629.36 : 159,796.32 = 40,002.36 : x
  2. Step 2: Convert to fraction form
    106,629.36/159,796.32 = 40,002.36/x
  3. Step 3: Cross multiply
    106,629.36x = 159,796.32 × 40,002.36
  4. Step 4: Simplify right side
    106,629.36x = 6,392,229,919.32
  5. Step 5: Solve for x
    x = 6,392,229,919.32/106,629.36
  6. Step 6: Final answer
    x = 59,948.12

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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.