Home / 268,145.93-402,213.68-108,217.60

Finding the Fourth Proportional to 268,145.93, 402,213.68 and 108,217.60

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Solution

The fourth proportional to 268,145.93, 402,213.68 and 108,217.60 is: 162,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,145.93 : 402,213.68 = 108,217.60 : x
  2. Step 2: Convert to fraction form
    268,145.93/402,213.68 = 108,217.60/x
  3. Step 3: Cross multiply
    268,145.93x = 402,213.68 × 108,217.60
  4. Step 4: Simplify right side
    268,145.93x = 43,526,599,136.77
  5. Step 5: Solve for x
    x = 43,526,599,136.77/268,145.93
  6. Step 6: Final answer
    x = 162,324.30

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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.