Home / 153,183.28-229,540.20-103,078

Finding the Fourth Proportional to 153,183.28, 229,540.20 and 103,078

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Solution

The fourth proportional to 153,183.28, 229,540.20 and 103,078 is: 154,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,183.28 : 229,540.20 = 103,078 : x
  2. Step 2: Convert to fraction form
    153,183.28/229,540.20 = 103,078/x
  3. Step 3: Cross multiply
    153,183.28x = 229,540.20 × 103,078
  4. Step 4: Simplify right side
    153,183.28x = 23,660,544,735.60
  5. Step 5: Solve for x
    x = 23,660,544,735.60/153,183.28
  6. Step 6: Final answer
    x = 154,459.06

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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.