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Finding the Fourth Proportional to 133,343.29, 200,009.60 and 73,490.42

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Solution

The fourth proportional to 133,343.29, 200,009.60 and 73,490.42 is: 110,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,343.29 : 200,009.60 = 73,490.42 : x
  2. Step 2: Convert to fraction form
    133,343.29/200,009.60 = 73,490.42/x
  3. Step 3: Cross multiply
    133,343.29x = 200,009.60 × 73,490.42
  4. Step 4: Simplify right side
    133,343.29x = 14,698,789,508.03
  5. Step 5: Solve for x
    x = 14,698,789,508.03/133,343.29
  6. Step 6: Final answer
    x = 110,232.69

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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.