Home / 192,558.90-288,767.61-66,163.28

Finding the Fourth Proportional to 192,558.90, 288,767.61 and 66,163.28

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Solution

The fourth proportional to 192,558.90, 288,767.61 and 66,163.28 is: 99,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,558.90 : 288,767.61 = 66,163.28 : x
  2. Step 2: Convert to fraction form
    192,558.90/288,767.61 = 66,163.28/x
  3. Step 3: Cross multiply
    192,558.90x = 288,767.61 × 66,163.28
  4. Step 4: Simplify right side
    192,558.90x = 19,105,812,229.76
  5. Step 5: Solve for x
    x = 19,105,812,229.76/192,558.90
  6. Step 6: Final answer
    x = 99,220.62

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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.