Home / 106,494.42-159,779.28-47,324.72

Finding the Fourth Proportional to 106,494.42, 159,779.28 and 47,324.72

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Solution

The fourth proportional to 106,494.42, 159,779.28 and 47,324.72 is: 71,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,494.42 : 159,779.28 = 47,324.72 : x
  2. Step 2: Convert to fraction form
    106,494.42/159,779.28 = 47,324.72/x
  3. Step 3: Cross multiply
    106,494.42x = 159,779.28 × 47,324.72
  4. Step 4: Simplify right side
    106,494.42x = 7,561,509,687.80
  5. Step 5: Solve for x
    x = 7,561,509,687.80/106,494.42
  6. Step 6: Final answer
    x = 71,003.81

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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.