Home / 187,881.52-259,286.92-107,335.20

Finding the Fourth Proportional to 187,881.52, 259,286.92 and 107,335.20

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Solution

The fourth proportional to 187,881.52, 259,286.92 and 107,335.20 is: 148,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,881.52 : 259,286.92 = 107,335.20 : x
  2. Step 2: Convert to fraction form
    187,881.52/259,286.92 = 107,335.20/x
  3. Step 3: Cross multiply
    187,881.52x = 259,286.92 × 107,335.20
  4. Step 4: Simplify right side
    187,881.52x = 27,830,613,415.58
  5. Step 5: Solve for x
    x = 27,830,613,415.58/187,881.52
  6. Step 6: Final answer
    x = 148,128.53

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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.