Home / 187,645.06-258,925.31-107,067.77

Finding the Fourth Proportional to 187,645.06, 258,925.31 and 107,067.77

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Solution

The fourth proportional to 187,645.06, 258,925.31 and 107,067.77 is: 147,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645.06 : 258,925.31 = 107,067.77 : x
  2. Step 2: Convert to fraction form
    187,645.06/258,925.31 = 107,067.77/x
  3. Step 3: Cross multiply
    187,645.06x = 258,925.31 × 107,067.77
  4. Step 4: Simplify right side
    187,645.06x = 27,722,556,537.22
  5. Step 5: Solve for x
    x = 27,722,556,537.22/187,645.06
  6. Step 6: Final answer
    x = 147,739.34

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1.5x scale

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.