Home / 120,504.54-166,293.66-66,789.06

Finding the Fourth Proportional to 120,504.54, 166,293.66 and 66,789.06

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Solution

The fourth proportional to 120,504.54, 166,293.66 and 66,789.06 is: 92,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,504.54 : 166,293.66 = 66,789.06 : x
  2. Step 2: Convert to fraction form
    120,504.54/166,293.66 = 66,789.06/x
  3. Step 3: Cross multiply
    120,504.54x = 166,293.66 × 66,789.06
  4. Step 4: Simplify right side
    120,504.54x = 11,106,597,235.36
  5. Step 5: Solve for x
    x = 11,106,597,235.36/120,504.54
  6. Step 6: Final answer
    x = 92,167.46

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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.