Home / 120,424.13-166,183.07-66,707.97

Finding the Fourth Proportional to 120,424.13, 166,183.07 and 66,707.97

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Solution

The fourth proportional to 120,424.13, 166,183.07 and 66,707.97 is: 92,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424.13 : 166,183.07 = 66,707.97 : x
  2. Step 2: Convert to fraction form
    120,424.13/166,183.07 = 66,707.97/x
  3. Step 3: Cross multiply
    120,424.13x = 166,183.07 × 66,707.97
  4. Step 4: Simplify right side
    120,424.13x = 11,085,735,248.07
  5. Step 5: Solve for x
    x = 11,085,735,248.07/120,424.13
  6. Step 6: Final answer
    x = 92,055.76

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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.