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Finding the Fourth Proportional to 133,277, 199,759.98 and 74,084.36

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Solution

The fourth proportional to 133,277, 199,759.98 and 74,084.36 is: 111,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277 : 199,759.98 = 74,084.36 : x
  2. Step 2: Convert to fraction form
    133,277/199,759.98 = 74,084.36/x
  3. Step 3: Cross multiply
    133,277x = 199,759.98 × 74,084.36
  4. Step 4: Simplify right side
    133,277x = 14,799,090,271.91
  5. Step 5: Solve for x
    x = 14,799,090,271.91/133,277
  6. Step 6: Final answer
    x = 111,040.09

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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.