Home / 165,500.72-248,183.03-65,647.16

Finding the Fourth Proportional to 165,500.72, 248,183.03 and 65,647.16

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Solution

The fourth proportional to 165,500.72, 248,183.03 and 65,647.16 is: 98,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,500.72 : 248,183.03 = 65,647.16 : x
  2. Step 2: Convert to fraction form
    165,500.72/248,183.03 = 65,647.16/x
  3. Step 3: Cross multiply
    165,500.72x = 248,183.03 × 65,647.16
  4. Step 4: Simplify right side
    165,500.72x = 16,292,509,838.78
  5. Step 5: Solve for x
    x = 16,292,509,838.78/165,500.72
  6. Step 6: Final answer
    x = 98,443.74

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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.