Home / 239,452.20-359,226.90-81,696.60

Finding the Fourth Proportional to 239,452.20, 359,226.90 and 81,696.60

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Solution

The fourth proportional to 239,452.20, 359,226.90 and 81,696.60 is: 122,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,452.20 : 359,226.90 = 81,696.60 : x
  2. Step 2: Convert to fraction form
    239,452.20/359,226.90 = 81,696.60/x
  3. Step 3: Cross multiply
    239,452.20x = 359,226.90 × 81,696.60
  4. Step 4: Simplify right side
    239,452.20x = 29,347,616,358.54
  5. Step 5: Solve for x
    x = 29,347,616,358.54/239,452.20
  6. Step 6: Final answer
    x = 122,561.48

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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.