Home / 120,941.72-166,901.57-66,496.19

Finding the Fourth Proportional to 120,941.72, 166,901.57 and 66,496.19

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Solution

The fourth proportional to 120,941.72, 166,901.57 and 66,496.19 is: 91,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.72 : 166,901.57 = 66,496.19 : x
  2. Step 2: Convert to fraction form
    120,941.72/166,901.57 = 66,496.19/x
  3. Step 3: Cross multiply
    120,941.72x = 166,901.57 × 66,496.19
  4. Step 4: Simplify right side
    120,941.72x = 11,098,317,343.03
  5. Step 5: Solve for x
    x = 11,098,317,343.03/120,941.72
  6. Step 6: Final answer
    x = 91,765.83

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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.