Home / 268,131.13-402,196.32-68,451.52

Finding the Fourth Proportional to 268,131.13, 402,196.32 and 68,451.52

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Solution

The fourth proportional to 268,131.13, 402,196.32 and 68,451.52 is: 102,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,131.13 : 402,196.32 = 68,451.52 : x
  2. Step 2: Convert to fraction form
    268,131.13/402,196.32 = 68,451.52/x
  3. Step 3: Cross multiply
    268,131.13x = 402,196.32 × 68,451.52
  4. Step 4: Simplify right side
    268,131.13x = 27,530,949,442.41
  5. Step 5: Solve for x
    x = 27,530,949,442.41/268,131.13
  6. Step 6: Final answer
    x = 102,677.18

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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.