Home / 166,820.75-230,212.73-90,340.43

Finding the Fourth Proportional to 166,820.75, 230,212.73 and 90,340.43

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Solution

The fourth proportional to 166,820.75, 230,212.73 and 90,340.43 is: 124,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.75 : 230,212.73 = 90,340.43 : x
  2. Step 2: Convert to fraction form
    166,820.75/230,212.73 = 90,340.43/x
  3. Step 3: Cross multiply
    166,820.75x = 230,212.73 × 90,340.43
  4. Step 4: Simplify right side
    166,820.75x = 20,797,516,567.97
  5. Step 5: Solve for x
    x = 20,797,516,567.97/166,820.75
  6. Step 6: Final answer
    x = 124,669.85

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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.