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Finding the Fourth Proportional to 133,446.99, 200,170.59 and 54,561.21

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Solution

The fourth proportional to 133,446.99, 200,170.59 and 54,561.21 is: 81,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,446.99 : 200,170.59 = 54,561.21 : x
  2. Step 2: Convert to fraction form
    133,446.99/200,170.59 = 54,561.21/x
  3. Step 3: Cross multiply
    133,446.99x = 200,170.59 × 54,561.21
  4. Step 4: Simplify right side
    133,446.99x = 10,921,549,596.81
  5. Step 5: Solve for x
    x = 10,921,549,596.81/133,446.99
  6. Step 6: Final answer
    x = 81,841.86

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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.