Home / 138,829.79-208,244.67-33,648.75

Finding the Fourth Proportional to 138,829.79, 208,244.67 and 33,648.75

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Solution

The fourth proportional to 138,829.79, 208,244.67 and 33,648.75 is: 50,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,829.79 : 208,244.67 = 33,648.75 : x
  2. Step 2: Convert to fraction form
    138,829.79/208,244.67 = 33,648.75/x
  3. Step 3: Cross multiply
    138,829.79x = 208,244.67 × 33,648.75
  4. Step 4: Simplify right side
    138,829.79x = 7,007,172,839.66
  5. Step 5: Solve for x
    x = 7,007,172,839.66/138,829.79
  6. Step 6: Final answer
    x = 50,473.12

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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.