Home / 120,370.76-166,092.09-69,385.58

Finding the Fourth Proportional to 120,370.76, 166,092.09 and 69,385.58

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Solution

The fourth proportional to 120,370.76, 166,092.09 and 69,385.58 is: 95,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.76 : 166,092.09 = 69,385.58 : x
  2. Step 2: Convert to fraction form
    120,370.76/166,092.09 = 69,385.58/x
  3. Step 3: Cross multiply
    120,370.76x = 166,092.09 × 69,385.58
  4. Step 4: Simplify right side
    120,370.76x = 11,524,395,998.06
  5. Step 5: Solve for x
    x = 11,524,395,998.06/120,370.76
  6. Step 6: Final answer
    x = 95,740.83

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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.