Home / 120,439.98-166,202.42-66,725.82

Finding the Fourth Proportional to 120,439.98, 166,202.42 and 66,725.82

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Solution

The fourth proportional to 120,439.98, 166,202.42 and 66,725.82 is: 92,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,439.98 : 166,202.42 = 66,725.82 : x
  2. Step 2: Convert to fraction form
    120,439.98/166,202.42 = 66,725.82/x
  3. Step 3: Cross multiply
    120,439.98x = 166,202.42 × 66,725.82
  4. Step 4: Simplify right side
    120,439.98x = 11,089,992,426.86
  5. Step 5: Solve for x
    x = 11,089,992,426.86/120,439.98
  6. Step 6: Final answer
    x = 92,079.00

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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.