Home / 158,469.08-218,704.38-101,109.96

Finding the Fourth Proportional to 158,469.08, 218,704.38 and 101,109.96

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Solution

The fourth proportional to 158,469.08, 218,704.38 and 101,109.96 is: 139,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,469.08 : 218,704.38 = 101,109.96 : x
  2. Step 2: Convert to fraction form
    158,469.08/218,704.38 = 101,109.96/x
  3. Step 3: Cross multiply
    158,469.08x = 218,704.38 × 101,109.96
  4. Step 4: Simplify right side
    158,469.08x = 22,113,191,113.62
  5. Step 5: Solve for x
    x = 22,113,191,113.62/158,469.08
  6. Step 6: Final answer
    x = 139,542.62

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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.