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Finding the Fourth Proportional to 166,625.57, 229,943.03 and 90,144.41

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Solution

The fourth proportional to 166,625.57, 229,943.03 and 90,144.41 is: 124,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,625.57 : 229,943.03 = 90,144.41 : x
  2. Step 2: Convert to fraction form
    166,625.57/229,943.03 = 90,144.41/x
  3. Step 3: Cross multiply
    166,625.57x = 229,943.03 × 90,144.41
  4. Step 4: Simplify right side
    166,625.57x = 20,728,078,762.19
  5. Step 5: Solve for x
    x = 20,728,078,762.19/166,625.57
  6. Step 6: Final answer
    x = 124,399.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.