Home / 185,352.21-255,785.81-100,469.25

Finding the Fourth Proportional to 185,352.21, 255,785.81 and 100,469.25

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Solution

The fourth proportional to 185,352.21, 255,785.81 and 100,469.25 is: 138,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,352.21 : 255,785.81 = 100,469.25 : x
  2. Step 2: Convert to fraction form
    185,352.21/255,785.81 = 100,469.25/x
  3. Step 3: Cross multiply
    185,352.21x = 255,785.81 × 100,469.25
  4. Step 4: Simplify right side
    185,352.21x = 25,698,607,989.00
  5. Step 5: Solve for x
    x = 25,698,607,989.00/185,352.21
  6. Step 6: Final answer
    x = 138,647.43

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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.