Home / 268,760.61-403,199.24-81,767.25

Finding the Fourth Proportional to 268,760.61, 403,199.24 and 81,767.25

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Solution

The fourth proportional to 268,760.61, 403,199.24 and 81,767.25 is: 122,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,760.61 : 403,199.24 = 81,767.25 : x
  2. Step 2: Convert to fraction form
    268,760.61/403,199.24 = 81,767.25/x
  3. Step 3: Cross multiply
    268,760.61x = 403,199.24 × 81,767.25
  4. Step 4: Simplify right side
    268,760.61x = 32,968,492,648.05
  5. Step 5: Solve for x
    x = 32,968,492,648.05/268,760.61
  6. Step 6: Final answer
    x = 122,668.62

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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.