Home / 106,065.89-159,098.76-31,186.65

Finding the Fourth Proportional to 106,065.89, 159,098.76 and 31,186.65

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Solution

The fourth proportional to 106,065.89, 159,098.76 and 31,186.65 is: 46,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,065.89 : 159,098.76 = 31,186.65 : x
  2. Step 2: Convert to fraction form
    106,065.89/159,098.76 = 31,186.65/x
  3. Step 3: Cross multiply
    106,065.89x = 159,098.76 × 31,186.65
  4. Step 4: Simplify right side
    106,065.89x = 4,961,757,940.17
  5. Step 5: Solve for x
    x = 4,961,757,940.17/106,065.89
  6. Step 6: Final answer
    x = 46,779.96

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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.