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Finding the Fourth Proportional to 200,055.26, 300,083.30 and 81,726.68

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Solution

The fourth proportional to 200,055.26, 300,083.30 and 81,726.68 is: 122,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,055.26 : 300,083.30 = 81,726.68 : x
  2. Step 2: Convert to fraction form
    200,055.26/300,083.30 = 81,726.68/x
  3. Step 3: Cross multiply
    200,055.26x = 300,083.30 × 81,726.68
  4. Step 4: Simplify right side
    200,055.26x = 24,524,811,832.44
  5. Step 5: Solve for x
    x = 24,524,811,832.44/200,055.26
  6. Step 6: Final answer
    x = 122,590.19

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1.5x scale

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.