Home / 120,782.08-166,679.67-67,067.20

Finding the Fourth Proportional to 120,782.08, 166,679.67 and 67,067.20

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Solution

The fourth proportional to 120,782.08, 166,679.67 and 67,067.20 is: 92,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,782.08 : 166,679.67 = 67,067.20 : x
  2. Step 2: Convert to fraction form
    120,782.08/166,679.67 = 67,067.20/x
  3. Step 3: Cross multiply
    120,782.08x = 166,679.67 × 67,067.20
  4. Step 4: Simplify right side
    120,782.08x = 11,178,738,763.82
  5. Step 5: Solve for x
    x = 11,178,738,763.82/120,782.08
  6. Step 6: Final answer
    x = 92,552.96

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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.