Home / 120,680.33-166,712.57-96,450.27

Finding the Fourth Proportional to 120,680.33, 166,712.57 and 96,450.27

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Solution

The fourth proportional to 120,680.33, 166,712.57 and 96,450.27 is: 133,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,680.33 : 166,712.57 = 96,450.27 : x
  2. Step 2: Convert to fraction form
    120,680.33/166,712.57 = 96,450.27/x
  3. Step 3: Cross multiply
    120,680.33x = 166,712.57 × 96,450.27
  4. Step 4: Simplify right side
    120,680.33x = 16,079,471,643.16
  5. Step 5: Solve for x
    x = 16,079,471,643.16/120,680.33
  6. Step 6: Final answer
    x = 133,240.21

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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.