Home / 106,218.65-159,273.07-31,329.24

Finding the Fourth Proportional to 106,218.65, 159,273.07 and 31,329.24

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Solution

The fourth proportional to 106,218.65, 159,273.07 and 31,329.24 is: 46,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.65 : 159,273.07 = 31,329.24 : x
  2. Step 2: Convert to fraction form
    106,218.65/159,273.07 = 31,329.24/x
  3. Step 3: Cross multiply
    106,218.65x = 159,273.07 × 31,329.24
  4. Step 4: Simplify right side
    106,218.65x = 4,989,904,235.57
  5. Step 5: Solve for x
    x = 4,989,904,235.57/106,218.65
  6. Step 6: Final answer
    x = 46,977.67

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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.