Home / 172,850.40-258,872.76-166,863.96

Finding the Fourth Proportional to 172,850.40, 258,872.76 and 166,863.96

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Solution

The fourth proportional to 172,850.40, 258,872.76 and 166,863.96 is: 249,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,850.40 : 258,872.76 = 166,863.96 : x
  2. Step 2: Convert to fraction form
    172,850.40/258,872.76 = 166,863.96/x
  3. Step 3: Cross multiply
    172,850.40x = 258,872.76 × 166,863.96
  4. Step 4: Simplify right side
    172,850.40x = 43,196,533,869.73
  5. Step 5: Solve for x
    x = 43,196,533,869.73/172,850.40
  6. Step 6: Final answer
    x = 249,907.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.