Home / 120,695.22-166,450.41-75,377.34

Finding the Fourth Proportional to 120,695.22, 166,450.41 and 75,377.34

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Solution

The fourth proportional to 120,695.22, 166,450.41 and 75,377.34 is: 103,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,695.22 : 166,450.41 = 75,377.34 : x
  2. Step 2: Convert to fraction form
    120,695.22/166,450.41 = 75,377.34/x
  3. Step 3: Cross multiply
    120,695.22x = 166,450.41 × 75,377.34
  4. Step 4: Simplify right side
    120,695.22x = 12,546,589,147.71
  5. Step 5: Solve for x
    x = 12,546,589,147.71/120,695.22
  6. Step 6: Final answer
    x = 103,952.66

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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.