Home / 122,372.91-168,877.22-68,661.81

Finding the Fourth Proportional to 122,372.91, 168,877.22 and 68,661.81

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Solution

The fourth proportional to 122,372.91, 168,877.22 and 68,661.81 is: 94,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,372.91 : 168,877.22 = 68,661.81 : x
  2. Step 2: Convert to fraction form
    122,372.91/168,877.22 = 68,661.81/x
  3. Step 3: Cross multiply
    122,372.91x = 168,877.22 × 68,661.81
  4. Step 4: Simplify right side
    122,372.91x = 11,595,415,249.66
  5. Step 5: Solve for x
    x = 11,595,415,249.66/122,372.91
  6. Step 6: Final answer
    x = 94,754.76

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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.