Home / 89,028.40-133,542.60-68,033.20

Finding the Fourth Proportional to 89,028.40, 133,542.60 and 68,033.20

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Solution

The fourth proportional to 89,028.40, 133,542.60 and 68,033.20 is: 102,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.40 : 133,542.60 = 68,033.20 : x
  2. Step 2: Convert to fraction form
    89,028.40/133,542.60 = 68,033.20/x
  3. Step 3: Cross multiply
    89,028.40x = 133,542.60 × 68,033.20
  4. Step 4: Simplify right side
    89,028.40x = 9,085,330,414.32
  5. Step 5: Solve for x
    x = 9,085,330,414.32/89,028.40
  6. Step 6: Final answer
    x = 102,049.80

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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.