Home / 133,286.97-199,962.05-39,795.15

Finding the Fourth Proportional to 133,286.97, 199,962.05 and 39,795.15

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Solution

The fourth proportional to 133,286.97, 199,962.05 and 39,795.15 is: 59,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,286.97 : 199,962.05 = 39,795.15 : x
  2. Step 2: Convert to fraction form
    133,286.97/199,962.05 = 39,795.15/x
  3. Step 3: Cross multiply
    133,286.97x = 199,962.05 × 39,795.15
  4. Step 4: Simplify right side
    133,286.97x = 7,957,519,774.06
  5. Step 5: Solve for x
    x = 7,957,519,774.06/133,286.97
  6. Step 6: Final answer
    x = 59,702.16

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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.