Home / 166,000.48-229,081.36-90,550.56

Finding the Fourth Proportional to 166,000.48, 229,081.36 and 90,550.56

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Solution

The fourth proportional to 166,000.48, 229,081.36 and 90,550.56 is: 124,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,000.48 : 229,081.36 = 90,550.56 : x
  2. Step 2: Convert to fraction form
    166,000.48/229,081.36 = 90,550.56/x
  3. Step 3: Cross multiply
    166,000.48x = 229,081.36 × 90,550.56
  4. Step 4: Simplify right side
    166,000.48x = 20,743,445,433.56
  5. Step 5: Solve for x
    x = 20,743,445,433.56/166,000.48
  6. Step 6: Final answer
    x = 124,960.15

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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.