Home / 222,144.77-306,435.16-136,145.41

Finding the Fourth Proportional to 222,144.77, 306,435.16 and 136,145.41

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Solution

The fourth proportional to 222,144.77, 306,435.16 and 136,145.41 is: 187,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,144.77 : 306,435.16 = 136,145.41 : x
  2. Step 2: Convert to fraction form
    222,144.77/306,435.16 = 136,145.41/x
  3. Step 3: Cross multiply
    222,144.77x = 306,435.16 × 136,145.41
  4. Step 4: Simplify right side
    222,144.77x = 41,719,740,496.62
  5. Step 5: Solve for x
    x = 41,719,740,496.62/222,144.77
  6. Step 6: Final answer
    x = 187,804.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.