Home / 106,290.36-159,455.16-43,965.72

Finding the Fourth Proportional to 106,290.36, 159,455.16 and 43,965.72

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Solution

The fourth proportional to 106,290.36, 159,455.16 and 43,965.72 is: 65,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.36 : 159,455.16 = 43,965.72 : x
  2. Step 2: Convert to fraction form
    106,290.36/159,455.16 = 43,965.72/x
  3. Step 3: Cross multiply
    106,290.36x = 159,455.16 × 43,965.72
  4. Step 4: Simplify right side
    106,290.36x = 7,010,560,917.12
  5. Step 5: Solve for x
    x = 7,010,560,917.12/106,290.36
  6. Step 6: Final answer
    x = 65,956.70

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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.