Home / 123,789.96-170,828.97-67,201.26

Finding the Fourth Proportional to 123,789.96, 170,828.97 and 67,201.26

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Solution

The fourth proportional to 123,789.96, 170,828.97 and 67,201.26 is: 92,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,789.96 : 170,828.97 = 67,201.26 : x
  2. Step 2: Convert to fraction form
    123,789.96/170,828.97 = 67,201.26/x
  3. Step 3: Cross multiply
    123,789.96x = 170,828.97 × 67,201.26
  4. Step 4: Simplify right side
    123,789.96x = 11,479,922,028.50
  5. Step 5: Solve for x
    x = 11,479,922,028.50/123,789.96
  6. Step 6: Final answer
    x = 92,737.10

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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.