Home / 165,400.74-248,183.09-65,558.72

Finding the Fourth Proportional to 165,400.74, 248,183.09 and 65,558.72

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Solution

The fourth proportional to 165,400.74, 248,183.09 and 65,558.72 is: 98,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,400.74 : 248,183.09 = 65,558.72 : x
  2. Step 2: Convert to fraction form
    165,400.74/248,183.09 = 65,558.72/x
  3. Step 3: Cross multiply
    165,400.74x = 248,183.09 × 65,558.72
  4. Step 4: Simplify right side
    165,400.74x = 16,270,564,137.34
  5. Step 5: Solve for x
    x = 16,270,564,137.34/165,400.74
  6. Step 6: Final answer
    x = 98,370.56

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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.