Home / 439,621.56-659,425.14-140,098.14

Finding the Fourth Proportional to 439,621.56, 659,425.14 and 140,098.14

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Solution

The fourth proportional to 439,621.56, 659,425.14 and 140,098.14 is: 210,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,621.56 : 659,425.14 = 140,098.14 : x
  2. Step 2: Convert to fraction form
    439,621.56/659,425.14 = 140,098.14/x
  3. Step 3: Cross multiply
    439,621.56x = 659,425.14 × 140,098.14
  4. Step 4: Simplify right side
    439,621.56x = 92,384,235,583.24
  5. Step 5: Solve for x
    x = 92,384,235,583.24/439,621.56
  6. Step 6: Final answer
    x = 210,144.92

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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.