Home / 129,659.20-194,474.40-106,244.80

Finding the Fourth Proportional to 129,659.20, 194,474.40 and 106,244.80

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Solution

The fourth proportional to 129,659.20, 194,474.40 and 106,244.80 is: 159,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,659.20 : 194,474.40 = 106,244.80 : x
  2. Step 2: Convert to fraction form
    129,659.20/194,474.40 = 106,244.80/x
  3. Step 3: Cross multiply
    129,659.20x = 194,474.40 × 106,244.80
  4. Step 4: Simplify right side
    129,659.20x = 20,661,893,733.12
  5. Step 5: Solve for x
    x = 20,661,893,733.12/129,659.20
  6. Step 6: Final answer
    x = 159,355.40

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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.