Home / 106,133.78-159,185.82-39,565.28

Finding the Fourth Proportional to 106,133.78, 159,185.82 and 39,565.28

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Solution

The fourth proportional to 106,133.78, 159,185.82 and 39,565.28 is: 59,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,133.78 : 159,185.82 = 39,565.28 : x
  2. Step 2: Convert to fraction form
    106,133.78/159,185.82 = 39,565.28/x
  3. Step 3: Cross multiply
    106,133.78x = 159,185.82 × 39,565.28
  4. Step 4: Simplify right side
    106,133.78x = 6,298,231,540.33
  5. Step 5: Solve for x
    x = 6,298,231,540.33/106,133.78
  6. Step 6: Final answer
    x = 59,342.38

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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.