Home / 145,093.87-200,239.46-80,566.44

Finding the Fourth Proportional to 145,093.87, 200,239.46 and 80,566.44

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Solution

The fourth proportional to 145,093.87, 200,239.46 and 80,566.44 is: 111,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,093.87 : 200,239.46 = 80,566.44 : x
  2. Step 2: Convert to fraction form
    145,093.87/200,239.46 = 80,566.44/x
  3. Step 3: Cross multiply
    145,093.87x = 200,239.46 × 80,566.44
  4. Step 4: Simplify right side
    145,093.87x = 16,132,580,439.72
  5. Step 5: Solve for x
    x = 16,132,580,439.72/145,093.87
  6. Step 6: Final answer
    x = 111,187.20

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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.