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Finding the Fourth Proportional to 200,158.29, 300,190.25 and 73,729.88

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Solution

The fourth proportional to 200,158.29, 300,190.25 and 73,729.88 is: 110,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,158.29 : 300,190.25 = 73,729.88 : x
  2. Step 2: Convert to fraction form
    200,158.29/300,190.25 = 73,729.88/x
  3. Step 3: Cross multiply
    200,158.29x = 300,190.25 × 73,729.88
  4. Step 4: Simplify right side
    200,158.29x = 22,132,989,240.07
  5. Step 5: Solve for x
    x = 22,132,989,240.07/200,158.29
  6. Step 6: Final answer
    x = 110,577.43

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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.