Home / 187,992.66-259,433.92-103,109.52

Finding the Fourth Proportional to 187,992.66, 259,433.92 and 103,109.52

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Solution

The fourth proportional to 187,992.66, 259,433.92 and 103,109.52 is: 142,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,992.66 : 259,433.92 = 103,109.52 : x
  2. Step 2: Convert to fraction form
    187,992.66/259,433.92 = 103,109.52/x
  3. Step 3: Cross multiply
    187,992.66x = 259,433.92 × 103,109.52
  4. Step 4: Simplify right side
    187,992.66x = 26,750,106,962.92
  5. Step 5: Solve for x
    x = 26,750,106,962.92/187,992.66
  6. Step 6: Final answer
    x = 142,293.36

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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.