Home / 158,174.06-218,198.45-107,169.35

Finding the Fourth Proportional to 158,174.06, 218,198.45 and 107,169.35

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Solution

The fourth proportional to 158,174.06, 218,198.45 and 107,169.35 is: 147,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,174.06 : 218,198.45 = 107,169.35 : x
  2. Step 2: Convert to fraction form
    158,174.06/218,198.45 = 107,169.35/x
  3. Step 3: Cross multiply
    158,174.06x = 218,198.45 × 107,169.35
  4. Step 4: Simplify right side
    158,174.06x = 23,384,185,234.44
  5. Step 5: Solve for x
    x = 23,384,185,234.44/158,174.06
  6. Step 6: Final answer
    x = 147,838.31

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1.5x scale

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.