Home / 187,388.21-280,631.93-107,183.03

Finding the Fourth Proportional to 187,388.21, 280,631.93 and 107,183.03

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Solution

The fourth proportional to 187,388.21, 280,631.93 and 107,183.03 is: 160,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,388.21 : 280,631.93 = 107,183.03 : x
  2. Step 2: Convert to fraction form
    187,388.21/280,631.93 = 107,183.03/x
  3. Step 3: Cross multiply
    187,388.21x = 280,631.93 × 107,183.03
  4. Step 4: Simplify right side
    187,388.21x = 30,078,978,633.07
  5. Step 5: Solve for x
    x = 30,078,978,633.07/187,388.21
  6. Step 6: Final answer
    x = 160,516.92

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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.