Home / 106,146.24-159,238.80-43,782.72

Finding the Fourth Proportional to 106,146.24, 159,238.80 and 43,782.72

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Solution

The fourth proportional to 106,146.24, 159,238.80 and 43,782.72 is: 65,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.24 : 159,238.80 = 43,782.72 : x
  2. Step 2: Convert to fraction form
    106,146.24/159,238.80 = 43,782.72/x
  3. Step 3: Cross multiply
    106,146.24x = 159,238.80 × 43,782.72
  4. Step 4: Simplify right side
    106,146.24x = 6,971,907,793.54
  5. Step 5: Solve for x
    x = 6,971,907,793.54/106,146.24
  6. Step 6: Final answer
    x = 65,682.10

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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.