Home / 130,135.20-195,640.20-110,889.60

Finding the Fourth Proportional to 130,135.20, 195,640.20 and 110,889.60

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Solution

The fourth proportional to 130,135.20, 195,640.20 and 110,889.60 is: 166,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135.20 : 195,640.20 = 110,889.60 : x
  2. Step 2: Convert to fraction form
    130,135.20/195,640.20 = 110,889.60/x
  3. Step 3: Cross multiply
    130,135.20x = 195,640.20 × 110,889.60
  4. Step 4: Simplify right side
    130,135.20x = 21,694,463,521.92
  5. Step 5: Solve for x
    x = 21,694,463,521.92/130,135.20
  6. Step 6: Final answer
    x = 166,707.11

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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.