Home / 90,257.64-135,383.10-23,697.16

Finding the Fourth Proportional to 90,257.64, 135,383.10 and 23,697.16

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Solution

The fourth proportional to 90,257.64, 135,383.10 and 23,697.16 is: 35,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257.64 : 135,383.10 = 23,697.16 : x
  2. Step 2: Convert to fraction form
    90,257.64/135,383.10 = 23,697.16/x
  3. Step 3: Cross multiply
    90,257.64x = 135,383.10 × 23,697.16
  4. Step 4: Simplify right side
    90,257.64x = 3,208,194,982.00
  5. Step 5: Solve for x
    x = 3,208,194,982.00/90,257.64
  6. Step 6: Final answer
    x = 35,544.86

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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.