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Finding the Fourth Proportional to 144,808.44, 199,832.40 and 84,375.32

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Solution

The fourth proportional to 144,808.44, 199,832.40 and 84,375.32 is: 116,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,808.44 : 199,832.40 = 84,375.32 : x
  2. Step 2: Convert to fraction form
    144,808.44/199,832.40 = 84,375.32/x
  3. Step 3: Cross multiply
    144,808.44x = 199,832.40 × 84,375.32
  4. Step 4: Simplify right side
    144,808.44x = 16,860,922,696.37
  5. Step 5: Solve for x
    x = 16,860,922,696.37/144,808.44
  6. Step 6: Final answer
    x = 116,436.05

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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.