Home / 204,090.84-306,135.86-54,331.16

Finding the Fourth Proportional to 204,090.84, 306,135.86 and 54,331.16

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Solution

The fourth proportional to 204,090.84, 306,135.86 and 54,331.16 is: 81,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,090.84 : 306,135.86 = 54,331.16 : x
  2. Step 2: Convert to fraction form
    204,090.84/306,135.86 = 54,331.16/x
  3. Step 3: Cross multiply
    204,090.84x = 306,135.86 × 54,331.16
  4. Step 4: Simplify right side
    204,090.84x = 16,632,714,589.06
  5. Step 5: Solve for x
    x = 16,632,714,589.06/204,090.84
  6. Step 6: Final answer
    x = 81,496.62

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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.