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Finding the Fourth Proportional to 158,843.44, 238,270.88 and 79,914.72

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Solution

The fourth proportional to 158,843.44, 238,270.88 and 79,914.72 is: 119,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,843.44 : 238,270.88 = 79,914.72 : x
  2. Step 2: Convert to fraction form
    158,843.44/238,270.88 = 79,914.72/x
  3. Step 3: Cross multiply
    158,843.44x = 238,270.88 × 79,914.72
  4. Step 4: Simplify right side
    158,843.44x = 19,041,350,659.35
  5. Step 5: Solve for x
    x = 19,041,350,659.35/158,843.44
  6. Step 6: Final answer
    x = 119,874.96

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1.5x scale

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.