Home / 172,849.80-258,837.30-164,976.60

Finding the Fourth Proportional to 172,849.80, 258,837.30 and 164,976.60

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Solution

The fourth proportional to 172,849.80, 258,837.30 and 164,976.60 is: 247,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,849.80 : 258,837.30 = 164,976.60 : x
  2. Step 2: Convert to fraction form
    172,849.80/258,837.30 = 164,976.60/x
  3. Step 3: Cross multiply
    172,849.80x = 258,837.30 × 164,976.60
  4. Step 4: Simplify right side
    172,849.80x = 42,702,097,707.18
  5. Step 5: Solve for x
    x = 42,702,097,707.18/172,849.80
  6. Step 6: Final answer
    x = 247,047.42

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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.