Home / 138,935.53-208,420.96-44,131.89

Finding the Fourth Proportional to 138,935.53, 208,420.96 and 44,131.89

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Solution

The fourth proportional to 138,935.53, 208,420.96 and 44,131.89 is: 66,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,935.53 : 208,420.96 = 44,131.89 : x
  2. Step 2: Convert to fraction form
    138,935.53/208,420.96 = 44,131.89/x
  3. Step 3: Cross multiply
    138,935.53x = 208,420.96 × 44,131.89
  4. Step 4: Simplify right side
    138,935.53x = 9,198,010,770.08
  5. Step 5: Solve for x
    x = 9,198,010,770.08/138,935.53
  6. Step 6: Final answer
    x = 66,203.45

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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.