Home / 120,841.05-166,760.53-67,131.10

Finding the Fourth Proportional to 120,841.05, 166,760.53 and 67,131.10

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Solution

The fourth proportional to 120,841.05, 166,760.53 and 67,131.10 is: 92,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,841.05 : 166,760.53 = 67,131.10 : x
  2. Step 2: Convert to fraction form
    120,841.05/166,760.53 = 67,131.10/x
  3. Step 3: Cross multiply
    120,841.05x = 166,760.53 × 67,131.10
  4. Step 4: Simplify right side
    120,841.05x = 11,194,817,815.48
  5. Step 5: Solve for x
    x = 11,194,817,815.48/120,841.05
  6. Step 6: Final answer
    x = 92,640.85

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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.