Home / 105,181.25-157,818.11-55,249.74

Finding the Fourth Proportional to 105,181.25, 157,818.11 and 55,249.74

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Solution

The fourth proportional to 105,181.25, 157,818.11 and 55,249.74 is: 82,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,181.25 : 157,818.11 = 55,249.74 : x
  2. Step 2: Convert to fraction form
    105,181.25/157,818.11 = 55,249.74/x
  3. Step 3: Cross multiply
    105,181.25x = 157,818.11 × 55,249.74
  4. Step 4: Simplify right side
    105,181.25x = 8,719,409,268.54
  5. Step 5: Solve for x
    x = 8,719,409,268.54/105,181.25
  6. Step 6: Final answer
    x = 82,898.90

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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.