Home / 106,401.09-159,493.91-68,984.94

Finding the Fourth Proportional to 106,401.09, 159,493.91 and 68,984.94

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Solution

The fourth proportional to 106,401.09, 159,493.91 and 68,984.94 is: 103,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,401.09 : 159,493.91 = 68,984.94 : x
  2. Step 2: Convert to fraction form
    106,401.09/159,493.91 = 68,984.94/x
  3. Step 3: Cross multiply
    106,401.09x = 159,493.91 × 68,984.94
  4. Step 4: Simplify right side
    106,401.09x = 11,002,677,811.72
  5. Step 5: Solve for x
    x = 11,002,677,811.72/106,401.09
  6. Step 6: Final answer
    x = 103,407.57

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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.