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Finding the Fourth Proportional to 133,327.94, 199,991.91 and 53,402.19

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Solution

The fourth proportional to 133,327.94, 199,991.91 and 53,402.19 is: 80,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.94 : 199,991.91 = 53,402.19 : x
  2. Step 2: Convert to fraction form
    133,327.94/199,991.91 = 53,402.19/x
  3. Step 3: Cross multiply
    133,327.94x = 199,991.91 × 53,402.19
  4. Step 4: Simplify right side
    133,327.94x = 10,680,005,976.28
  5. Step 5: Solve for x
    x = 10,680,005,976.28/133,327.94
  6. Step 6: Final answer
    x = 80,103.29

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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.