Home / 172,749.48-258,966.31-146,266.09

Finding the Fourth Proportional to 172,749.48, 258,966.31 and 146,266.09

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Solution

The fourth proportional to 172,749.48, 258,966.31 and 146,266.09 is: 219,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,749.48 : 258,966.31 = 146,266.09 : x
  2. Step 2: Convert to fraction form
    172,749.48/258,966.31 = 146,266.09/x
  3. Step 3: Cross multiply
    172,749.48x = 258,966.31 × 146,266.09
  4. Step 4: Simplify right side
    172,749.48x = 37,877,989,605.43
  5. Step 5: Solve for x
    x = 37,877,989,605.43/172,749.48
  6. Step 6: Final answer
    x = 219,265.43

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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.