Home / 115,336.08-159,169.32-65,034

Finding the Fourth Proportional to 115,336.08, 159,169.32 and 65,034

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Solution

The fourth proportional to 115,336.08, 159,169.32 and 65,034 is: 89,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,336.08 : 159,169.32 = 65,034 : x
  2. Step 2: Convert to fraction form
    115,336.08/159,169.32 = 65,034/x
  3. Step 3: Cross multiply
    115,336.08x = 159,169.32 × 65,034
  4. Step 4: Simplify right side
    115,336.08x = 10,351,417,556.88
  5. Step 5: Solve for x
    x = 10,351,417,556.88/115,336.08
  6. Step 6: Final answer
    x = 89,750.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.