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Finding the Fourth Proportional to 131,351.16, 181,120.44 and 88,835.88

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Solution

The fourth proportional to 131,351.16, 181,120.44 and 88,835.88 is: 122,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.16 : 181,120.44 = 88,835.88 : x
  2. Step 2: Convert to fraction form
    131,351.16/181,120.44 = 88,835.88/x
  3. Step 3: Cross multiply
    131,351.16x = 181,120.44 × 88,835.88
  4. Step 4: Simplify right side
    131,351.16x = 16,089,993,673.39
  5. Step 5: Solve for x
    x = 16,089,993,673.39/131,351.16
  6. Step 6: Final answer
    x = 122,496.02

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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.