Home / 90,360.08-135,481.04-43,568.72

Finding the Fourth Proportional to 90,360.08, 135,481.04 and 43,568.72

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Solution

The fourth proportional to 90,360.08, 135,481.04 and 43,568.72 is: 65,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,360.08 : 135,481.04 = 43,568.72 : x
  2. Step 2: Convert to fraction form
    90,360.08/135,481.04 = 43,568.72/x
  3. Step 3: Cross multiply
    90,360.08x = 135,481.04 × 43,568.72
  4. Step 4: Simplify right side
    90,360.08x = 5,902,735,497.07
  5. Step 5: Solve for x
    x = 5,902,735,497.07/90,360.08
  6. Step 6: Final answer
    x = 65,324.59

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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.