Home / 130,768.20-195,889.74-110,691.72

Finding the Fourth Proportional to 130,768.20, 195,889.74 and 110,691.72

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Solution

The fourth proportional to 130,768.20, 195,889.74 and 110,691.72 is: 165,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,768.20 : 195,889.74 = 110,691.72 : x
  2. Step 2: Convert to fraction form
    130,768.20/195,889.74 = 110,691.72/x
  3. Step 3: Cross multiply
    130,768.20x = 195,889.74 × 110,691.72
  4. Step 4: Simplify right side
    130,768.20x = 21,683,372,250.95
  5. Step 5: Solve for x
    x = 21,683,372,250.95/130,768.20
  6. Step 6: Final answer
    x = 165,815.33

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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.