Home / 172,851.40-258,874.26-166,864.96

Finding the Fourth Proportional to 172,851.40, 258,874.26 and 166,864.96

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Solution

The fourth proportional to 172,851.40, 258,874.26 and 166,864.96 is: 249,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,851.40 : 258,874.26 = 166,864.96 : x
  2. Step 2: Convert to fraction form
    172,851.40/258,874.26 = 166,864.96/x
  3. Step 3: Cross multiply
    172,851.40x = 258,874.26 × 166,864.96
  4. Step 4: Simplify right side
    172,851.40x = 43,197,043,039.93
  5. Step 5: Solve for x
    x = 43,197,043,039.93/172,851.40
  6. Step 6: Final answer
    x = 249,908.55

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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.