Home / 131,446.20-197,169.30-127,558.20

Finding the Fourth Proportional to 131,446.20, 197,169.30 and 127,558.20

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Solution

The fourth proportional to 131,446.20, 197,169.30 and 127,558.20 is: 191,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.20 : 197,169.30 = 127,558.20 : x
  2. Step 2: Convert to fraction form
    131,446.20/197,169.30 = 127,558.20/x
  3. Step 3: Cross multiply
    131,446.20x = 197,169.30 × 127,558.20
  4. Step 4: Simplify right side
    131,446.20x = 25,150,561,003.26
  5. Step 5: Solve for x
    x = 25,150,561,003.26/131,446.20
  6. Step 6: Final answer
    x = 191,337.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.