Home / 121,022.51-166,998.24-67,298.85

Finding the Fourth Proportional to 121,022.51, 166,998.24 and 67,298.85

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Solution

The fourth proportional to 121,022.51, 166,998.24 and 67,298.85 is: 92,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,022.51 : 166,998.24 = 67,298.85 : x
  2. Step 2: Convert to fraction form
    121,022.51/166,998.24 = 67,298.85/x
  3. Step 3: Cross multiply
    121,022.51x = 166,998.24 × 67,298.85
  4. Step 4: Simplify right side
    121,022.51x = 11,238,789,504.02
  5. Step 5: Solve for x
    x = 11,238,789,504.02/121,022.51
  6. Step 6: Final answer
    x = 92,865.29

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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.