Home / 120,839.08-166,760.96-67,121.52

Finding the Fourth Proportional to 120,839.08, 166,760.96 and 67,121.52

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Solution

The fourth proportional to 120,839.08, 166,760.96 and 67,121.52 is: 92,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,839.08 : 166,760.96 = 67,121.52 : x
  2. Step 2: Convert to fraction form
    120,839.08/166,760.96 = 67,121.52/x
  3. Step 3: Cross multiply
    120,839.08x = 166,760.96 × 67,121.52
  4. Step 4: Simplify right side
    120,839.08x = 11,193,249,111.86
  5. Step 5: Solve for x
    x = 11,193,249,111.86/120,839.08
  6. Step 6: Final answer
    x = 92,629.38

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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.