Home / 106,239.56-159,322.20-31,339.82

Finding the Fourth Proportional to 106,239.56, 159,322.20 and 31,339.82

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Solution

The fourth proportional to 106,239.56, 159,322.20 and 31,339.82 is: 46,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,239.56 : 159,322.20 = 31,339.82 : x
  2. Step 2: Convert to fraction form
    106,239.56/159,322.20 = 31,339.82/x
  3. Step 3: Cross multiply
    106,239.56x = 159,322.20 × 31,339.82
  4. Step 4: Simplify right side
    106,239.56x = 4,993,128,116.69
  5. Step 5: Solve for x
    x = 4,993,128,116.69/106,239.56
  6. Step 6: Final answer
    x = 46,998.77

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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.