Home / 221,327.52-305,431.44-120,725.52

Finding the Fourth Proportional to 221,327.52, 305,431.44 and 120,725.52

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Solution

The fourth proportional to 221,327.52, 305,431.44 and 120,725.52 is: 166,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,327.52 : 305,431.44 = 120,725.52 : x
  2. Step 2: Convert to fraction form
    221,327.52/305,431.44 = 120,725.52/x
  3. Step 3: Cross multiply
    221,327.52x = 305,431.44 × 120,725.52
  4. Step 4: Simplify right side
    221,327.52x = 36,873,369,418.35
  5. Step 5: Solve for x
    x = 36,873,369,418.35/221,327.52
  6. Step 6: Final answer
    x = 166,600.92

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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.