Home / 187,716.72-259,067.65-107,156.35

Finding the Fourth Proportional to 187,716.72, 259,067.65 and 107,156.35

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Solution

The fourth proportional to 187,716.72, 259,067.65 and 107,156.35 is: 147,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,716.72 : 259,067.65 = 107,156.35 : x
  2. Step 2: Convert to fraction form
    187,716.72/259,067.65 = 107,156.35/x
  3. Step 3: Cross multiply
    187,716.72x = 259,067.65 × 107,156.35
  4. Step 4: Simplify right side
    187,716.72x = 27,760,742,481.74
  5. Step 5: Solve for x
    x = 27,760,742,481.74/187,716.72
  6. Step 6: Final answer
    x = 147,886.36

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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.