Home / 120,349.56-166,083.71-66,635.52

Finding the Fourth Proportional to 120,349.56, 166,083.71 and 66,635.52

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Solution

The fourth proportional to 120,349.56, 166,083.71 and 66,635.52 is: 91,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,349.56 : 166,083.71 = 66,635.52 : x
  2. Step 2: Convert to fraction form
    120,349.56/166,083.71 = 66,635.52/x
  3. Step 3: Cross multiply
    120,349.56x = 166,083.71 × 66,635.52
  4. Step 4: Simplify right side
    120,349.56x = 11,067,074,046.20
  5. Step 5: Solve for x
    x = 11,067,074,046.20/120,349.56
  6. Step 6: Final answer
    x = 91,957.74

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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.