Home / 186,979.88-258,032.22-102,097.02

Finding the Fourth Proportional to 186,979.88, 258,032.22 and 102,097.02

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Solution

The fourth proportional to 186,979.88, 258,032.22 and 102,097.02 is: 140,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,979.88 : 258,032.22 = 102,097.02 : x
  2. Step 2: Convert to fraction form
    186,979.88/258,032.22 = 102,097.02/x
  3. Step 3: Cross multiply
    186,979.88x = 258,032.22 × 102,097.02
  4. Step 4: Simplify right side
    186,979.88x = 26,344,320,725.98
  5. Step 5: Solve for x
    x = 26,344,320,725.98/186,979.88
  6. Step 6: Final answer
    x = 140,893.88

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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.