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Finding the Fourth Proportional to 133,396.42, 200,094.98 and 54,510.66

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Solution

The fourth proportional to 133,396.42, 200,094.98 and 54,510.66 is: 81,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,396.42 : 200,094.98 = 54,510.66 : x
  2. Step 2: Convert to fraction form
    133,396.42/200,094.98 = 54,510.66/x
  3. Step 3: Cross multiply
    133,396.42x = 200,094.98 × 54,510.66
  4. Step 4: Simplify right side
    133,396.42x = 10,907,309,422.49
  5. Step 5: Solve for x
    x = 10,907,309,422.49/133,396.42
  6. Step 6: Final answer
    x = 81,766.13

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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.