Home / 188,528.10-282,777.45-109,591.98

Finding the Fourth Proportional to 188,528.10, 282,777.45 and 109,591.98

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Solution

The fourth proportional to 188,528.10, 282,777.45 and 109,591.98 is: 164,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.10 : 282,777.45 = 109,591.98 : x
  2. Step 2: Convert to fraction form
    188,528.10/282,777.45 = 109,591.98/x
  3. Step 3: Cross multiply
    188,528.10x = 282,777.45 × 109,591.98
  4. Step 4: Simplify right side
    188,528.10x = 30,990,140,644.85
  5. Step 5: Solve for x
    x = 30,990,140,644.85/188,528.10
  6. Step 6: Final answer
    x = 164,379.42

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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.