Home / 120,914.19-166,867.23-67,200.09

Finding the Fourth Proportional to 120,914.19, 166,867.23 and 67,200.09

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Solution

The fourth proportional to 120,914.19, 166,867.23 and 67,200.09 is: 92,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,914.19 : 166,867.23 = 67,200.09 : x
  2. Step 2: Convert to fraction form
    120,914.19/166,867.23 = 67,200.09/x
  3. Step 3: Cross multiply
    120,914.19x = 166,867.23 × 67,200.09
  4. Step 4: Simplify right side
    120,914.19x = 11,213,492,874.05
  5. Step 5: Solve for x
    x = 11,213,492,874.05/120,914.19
  6. Step 6: Final answer
    x = 92,739.26

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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.