Home / 120,535.53-166,327.83-66,815.97

Finding the Fourth Proportional to 120,535.53, 166,327.83 and 66,815.97

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Solution

The fourth proportional to 120,535.53, 166,327.83 and 66,815.97 is: 92,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,535.53 : 166,327.83 = 66,815.97 : x
  2. Step 2: Convert to fraction form
    120,535.53/166,327.83 = 66,815.97/x
  3. Step 3: Cross multiply
    120,535.53x = 166,327.83 × 66,815.97
  4. Step 4: Simplify right side
    120,535.53x = 11,113,355,299.45
  5. Step 5: Solve for x
    x = 11,113,355,299.45/120,535.53
  6. Step 6: Final answer
    x = 92,199.83

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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.