Home / 120,496.44-166,285.11-66,784.93

Finding the Fourth Proportional to 120,496.44, 166,285.11 and 66,784.93

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Solution

The fourth proportional to 120,496.44, 166,285.11 and 66,784.93 is: 92,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,496.44 : 166,285.11 = 66,784.93 : x
  2. Step 2: Convert to fraction form
    120,496.44/166,285.11 = 66,784.93/x
  3. Step 3: Cross multiply
    120,496.44x = 166,285.11 × 66,784.93
  4. Step 4: Simplify right side
    120,496.44x = 11,105,338,890.46
  5. Step 5: Solve for x
    x = 11,105,338,890.46/120,496.44
  6. Step 6: Final answer
    x = 92,163.21

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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.