Home / 172,306.73-258,472.43-45,946.31

Finding the Fourth Proportional to 172,306.73, 258,472.43 and 45,946.31

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Solution

The fourth proportional to 172,306.73, 258,472.43 and 45,946.31 is: 68,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,306.73 : 258,472.43 = 45,946.31 : x
  2. Step 2: Convert to fraction form
    172,306.73/258,472.43 = 45,946.31/x
  3. Step 3: Cross multiply
    172,306.73x = 258,472.43 × 45,946.31
  4. Step 4: Simplify right side
    172,306.73x = 11,875,855,156.28
  5. Step 5: Solve for x
    x = 11,875,855,156.28/172,306.73
  6. Step 6: Final answer
    x = 68,922.76

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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.