Home / 138,969.25-208,451.67-44,198.06

Finding the Fourth Proportional to 138,969.25, 208,451.67 and 44,198.06

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Solution

The fourth proportional to 138,969.25, 208,451.67 and 44,198.06 is: 66,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,969.25 : 208,451.67 = 44,198.06 : x
  2. Step 2: Convert to fraction form
    138,969.25/208,451.67 = 44,198.06/x
  3. Step 3: Cross multiply
    138,969.25x = 208,451.67 × 44,198.06
  4. Step 4: Simplify right side
    138,969.25x = 9,213,159,938.89
  5. Step 5: Solve for x
    x = 9,213,159,938.89/138,969.25
  6. Step 6: Final answer
    x = 66,296.39

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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.