Home / 98,078.09-146,976.78-55,871.01

Finding the Fourth Proportional to 98,078.09, 146,976.78 and 55,871.01

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Solution

The fourth proportional to 98,078.09, 146,976.78 and 55,871.01 is: 83,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,078.09 : 146,976.78 = 55,871.01 : x
  2. Step 2: Convert to fraction form
    98,078.09/146,976.78 = 55,871.01/x
  3. Step 3: Cross multiply
    98,078.09x = 146,976.78 × 55,871.01
  4. Step 4: Simplify right side
    98,078.09x = 8,211,741,145.15
  5. Step 5: Solve for x
    x = 8,211,741,145.15/98,078.09
  6. Step 6: Final answer
    x = 83,726.56

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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.