Home / 138,747.33-208,126.80-43,975.44

Finding the Fourth Proportional to 138,747.33, 208,126.80 and 43,975.44

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Solution

The fourth proportional to 138,747.33, 208,126.80 and 43,975.44 is: 65,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,747.33 : 208,126.80 = 43,975.44 : x
  2. Step 2: Convert to fraction form
    138,747.33/208,126.80 = 43,975.44/x
  3. Step 3: Cross multiply
    138,747.33x = 208,126.80 × 43,975.44
  4. Step 4: Simplify right side
    138,747.33x = 9,152,467,605.79
  5. Step 5: Solve for x
    x = 9,152,467,605.79/138,747.33
  6. Step 6: Final answer
    x = 65,965.00

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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.