Home / 88,197.42-121,629.51-68,022.36

Finding the Fourth Proportional to 88,197.42, 121,629.51 and 68,022.36

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Solution

The fourth proportional to 88,197.42, 121,629.51 and 68,022.36 is: 93,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,197.42 : 121,629.51 = 68,022.36 : x
  2. Step 2: Convert to fraction form
    88,197.42/121,629.51 = 68,022.36/x
  3. Step 3: Cross multiply
    88,197.42x = 121,629.51 × 68,022.36
  4. Step 4: Simplify right side
    88,197.42x = 8,273,526,315.84
  5. Step 5: Solve for x
    x = 8,273,526,315.84/88,197.42
  6. Step 6: Final answer
    x = 93,806.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.