Home / 120,999.19-166,972.01-67,283.05

Finding the Fourth Proportional to 120,999.19, 166,972.01 and 67,283.05

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Solution

The fourth proportional to 120,999.19, 166,972.01 and 67,283.05 is: 92,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,999.19 : 166,972.01 = 67,283.05 : x
  2. Step 2: Convert to fraction form
    120,999.19/166,972.01 = 67,283.05/x
  3. Step 3: Cross multiply
    120,999.19x = 166,972.01 × 67,283.05
  4. Step 4: Simplify right side
    120,999.19x = 11,234,384,926.16
  5. Step 5: Solve for x
    x = 11,234,384,926.16/120,999.19
  6. Step 6: Final answer
    x = 92,846.78

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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.