Home / 122,118.91-168,462.09-83,327.64

Finding the Fourth Proportional to 122,118.91, 168,462.09 and 83,327.64

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Solution

The fourth proportional to 122,118.91, 168,462.09 and 83,327.64 is: 114,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,118.91 : 168,462.09 = 83,327.64 : x
  2. Step 2: Convert to fraction form
    122,118.91/168,462.09 = 83,327.64/x
  3. Step 3: Cross multiply
    122,118.91x = 168,462.09 × 83,327.64
  4. Step 4: Simplify right side
    122,118.91x = 14,037,548,229.54
  5. Step 5: Solve for x
    x = 14,037,548,229.54/122,118.91
  6. Step 6: Final answer
    x = 114,949.83

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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.