Home / 106,367.42-159,578.76-39,812.78

Finding the Fourth Proportional to 106,367.42, 159,578.76 and 39,812.78

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Solution

The fourth proportional to 106,367.42, 159,578.76 and 39,812.78 is: 59,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,367.42 : 159,578.76 = 39,812.78 : x
  2. Step 2: Convert to fraction form
    106,367.42/159,578.76 = 39,812.78/x
  3. Step 3: Cross multiply
    106,367.42x = 159,578.76 × 39,812.78
  4. Step 4: Simplify right side
    106,367.42x = 6,353,274,064.55
  5. Step 5: Solve for x
    x = 6,353,274,064.55/106,367.42
  6. Step 6: Final answer
    x = 59,729.51

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1.5x scale

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.