Home / 106,986.69-160,481.86-40,458.15

Finding the Fourth Proportional to 106,986.69, 160,481.86 and 40,458.15

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Solution

The fourth proportional to 106,986.69, 160,481.86 and 40,458.15 is: 60,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,986.69 : 160,481.86 = 40,458.15 : x
  2. Step 2: Convert to fraction form
    106,986.69/160,481.86 = 40,458.15/x
  3. Step 3: Cross multiply
    106,986.69x = 160,481.86 × 40,458.15
  4. Step 4: Simplify right side
    106,986.69x = 6,492,799,063.01
  5. Step 5: Solve for x
    x = 6,492,799,063.01/106,986.69
  6. Step 6: Final answer
    x = 60,687.91

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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.