Home / 330,789.16-496,347.86-131,105.13

Finding the Fourth Proportional to 330,789.16, 496,347.86 and 131,105.13

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Solution

The fourth proportional to 330,789.16, 496,347.86 and 131,105.13 is: 196,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,789.16 : 496,347.86 = 131,105.13 : x
  2. Step 2: Convert to fraction form
    330,789.16/496,347.86 = 131,105.13/x
  3. Step 3: Cross multiply
    330,789.16x = 496,347.86 × 131,105.13
  4. Step 4: Simplify right side
    330,789.16x = 65,073,750,710.52
  5. Step 5: Solve for x
    x = 65,073,750,710.52/330,789.16
  6. Step 6: Final answer
    x = 196,722.74

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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.