Home / 159,553.08-220,144.58-90,627.20

Finding the Fourth Proportional to 159,553.08, 220,144.58 and 90,627.20

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Solution

The fourth proportional to 159,553.08, 220,144.58 and 90,627.20 is: 125,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.08 : 220,144.58 = 90,627.20 : x
  2. Step 2: Convert to fraction form
    159,553.08/220,144.58 = 90,627.20/x
  3. Step 3: Cross multiply
    159,553.08x = 220,144.58 × 90,627.20
  4. Step 4: Simplify right side
    159,553.08x = 19,951,086,880.58
  5. Step 5: Solve for x
    x = 19,951,086,880.58/159,553.08
  6. Step 6: Final answer
    x = 125,043.57

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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.