Home / 172,257.18-258,011.76-83,324.22

Finding the Fourth Proportional to 172,257.18, 258,011.76 and 83,324.22

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Solution

The fourth proportional to 172,257.18, 258,011.76 and 83,324.22 is: 124,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,257.18 : 258,011.76 = 83,324.22 : x
  2. Step 2: Convert to fraction form
    172,257.18/258,011.76 = 83,324.22/x
  3. Step 3: Cross multiply
    172,257.18x = 258,011.76 × 83,324.22
  4. Step 4: Simplify right side
    172,257.18x = 21,498,628,652.83
  5. Step 5: Solve for x
    x = 21,498,628,652.83/172,257.18
  6. Step 6: Final answer
    x = 124,805.41

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1.5x scale

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.