Home / 120,620.48-166,466.14-66,911.00

Finding the Fourth Proportional to 120,620.48, 166,466.14 and 66,911.00

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Solution

The fourth proportional to 120,620.48, 166,466.14 and 66,911.00 is: 92,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,620.48 : 166,466.14 = 66,911.00 : x
  2. Step 2: Convert to fraction form
    120,620.48/166,466.14 = 66,911.00/x
  3. Step 3: Cross multiply
    120,620.48x = 166,466.14 × 66,911.00
  4. Step 4: Simplify right side
    120,620.48x = 11,138,414,893.93
  5. Step 5: Solve for x
    x = 11,138,414,893.93/120,620.48
  6. Step 6: Final answer
    x = 92,342.65

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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.