Home / 166,920.75-230,350.34-90,441.79

Finding the Fourth Proportional to 166,920.75, 230,350.34 and 90,441.79

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Solution

The fourth proportional to 166,920.75, 230,350.34 and 90,441.79 is: 124,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,920.75 : 230,350.34 = 90,441.79 : x
  2. Step 2: Convert to fraction form
    166,920.75/230,350.34 = 90,441.79/x
  3. Step 3: Cross multiply
    166,920.75x = 230,350.34 × 90,441.79
  4. Step 4: Simplify right side
    166,920.75x = 20,833,296,048.62
  5. Step 5: Solve for x
    x = 20,833,296,048.62/166,920.75
  6. Step 6: Final answer
    x = 124,809.50

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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.