Home / 138,669.33-208,004.61-43,899.98

Finding the Fourth Proportional to 138,669.33, 208,004.61 and 43,899.98

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Solution

The fourth proportional to 138,669.33, 208,004.61 and 43,899.98 is: 65,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,669.33 : 208,004.61 = 43,899.98 : x
  2. Step 2: Convert to fraction form
    138,669.33/208,004.61 = 43,899.98/x
  3. Step 3: Cross multiply
    138,669.33x = 208,004.61 × 43,899.98
  4. Step 4: Simplify right side
    138,669.33x = 9,131,397,178.88
  5. Step 5: Solve for x
    x = 9,131,397,178.88/138,669.33
  6. Step 6: Final answer
    x = 65,850.16

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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.