Home / 268,190.26-402,285.04-68,510.80

Finding the Fourth Proportional to 268,190.26, 402,285.04 and 68,510.80

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Solution

The fourth proportional to 268,190.26, 402,285.04 and 68,510.80 is: 102,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,190.26 : 402,285.04 = 68,510.80 : x
  2. Step 2: Convert to fraction form
    268,190.26/402,285.04 = 68,510.80/x
  3. Step 3: Cross multiply
    268,190.26x = 402,285.04 × 68,510.80
  4. Step 4: Simplify right side
    268,190.26x = 27,560,869,918.43
  5. Step 5: Solve for x
    x = 27,560,869,918.43/268,190.26
  6. Step 6: Final answer
    x = 102,766.11

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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.