Home / 199,286.66-298,864.98-66,131.16

Finding the Fourth Proportional to 199,286.66, 298,864.98 and 66,131.16

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Solution

The fourth proportional to 199,286.66, 298,864.98 and 66,131.16 is: 99,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286.66 : 298,864.98 = 66,131.16 : x
  2. Step 2: Convert to fraction form
    199,286.66/298,864.98 = 66,131.16/x
  3. Step 3: Cross multiply
    199,286.66x = 298,864.98 × 66,131.16
  4. Step 4: Simplify right side
    199,286.66x = 19,764,287,810.78
  5. Step 5: Solve for x
    x = 19,764,287,810.78/199,286.66
  6. Step 6: Final answer
    x = 99,175.17

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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.