Home / 120,365.13-166,092.30-71,957.49

Finding the Fourth Proportional to 120,365.13, 166,092.30 and 71,957.49

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Solution

The fourth proportional to 120,365.13, 166,092.30 and 71,957.49 is: 99,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,365.13 : 166,092.30 = 71,957.49 : x
  2. Step 2: Convert to fraction form
    120,365.13/166,092.30 = 71,957.49/x
  3. Step 3: Cross multiply
    120,365.13x = 166,092.30 × 71,957.49
  4. Step 4: Simplify right side
    120,365.13x = 11,951,585,016.33
  5. Step 5: Solve for x
    x = 11,951,585,016.33/120,365.13
  6. Step 6: Final answer
    x = 99,294.41

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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.