Home / 133,076.88-199,646.79-43,119.45

Finding the Fourth Proportional to 133,076.88, 199,646.79 and 43,119.45

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Solution

The fourth proportional to 133,076.88, 199,646.79 and 43,119.45 is: 64,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.88 : 199,646.79 = 43,119.45 : x
  2. Step 2: Convert to fraction form
    133,076.88/199,646.79 = 43,119.45/x
  3. Step 3: Cross multiply
    133,076.88x = 199,646.79 × 43,119.45
  4. Step 4: Simplify right side
    133,076.88x = 8,608,659,177.13
  5. Step 5: Solve for x
    x = 8,608,659,177.13/133,076.88
  6. Step 6: Final answer
    x = 64,689.37

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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.