Home / 166,721.92-230,076.22-90,240.99

Finding the Fourth Proportional to 166,721.92, 230,076.22 and 90,240.99

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Solution

The fourth proportional to 166,721.92, 230,076.22 and 90,240.99 is: 124,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,721.92 : 230,076.22 = 90,240.99 : x
  2. Step 2: Convert to fraction form
    166,721.92/230,076.22 = 90,240.99/x
  3. Step 3: Cross multiply
    166,721.92x = 230,076.22 × 90,240.99
  4. Step 4: Simplify right side
    166,721.92x = 20,762,305,642.66
  5. Step 5: Solve for x
    x = 20,762,305,642.66/166,721.92
  6. Step 6: Final answer
    x = 124,532.55

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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.