Home / 103,067.67-142,238.52-62,774.97

Finding the Fourth Proportional to 103,067.67, 142,238.52 and 62,774.97

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Solution

The fourth proportional to 103,067.67, 142,238.52 and 62,774.97 is: 86,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,067.67 : 142,238.52 = 62,774.97 : x
  2. Step 2: Convert to fraction form
    103,067.67/142,238.52 = 62,774.97/x
  3. Step 3: Cross multiply
    103,067.67x = 142,238.52 × 62,774.97
  4. Step 4: Simplify right side
    103,067.67x = 8,929,018,825.84
  5. Step 5: Solve for x
    x = 8,929,018,825.84/103,067.67
  6. Step 6: Final answer
    x = 86,632.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.