Home / 89,845.20-134,767.80-88,095.60

Finding the Fourth Proportional to 89,845.20, 134,767.80 and 88,095.60

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Solution

The fourth proportional to 89,845.20, 134,767.80 and 88,095.60 is: 132,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,845.20 : 134,767.80 = 88,095.60 : x
  2. Step 2: Convert to fraction form
    89,845.20/134,767.80 = 88,095.60/x
  3. Step 3: Cross multiply
    89,845.20x = 134,767.80 × 88,095.60
  4. Step 4: Simplify right side
    89,845.20x = 11,872,450,201.68
  5. Step 5: Solve for x
    x = 11,872,450,201.68/89,845.20
  6. Step 6: Final answer
    x = 132,143.40

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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.