Home / 98,183.22-147,270.68-31,621.86

Finding the Fourth Proportional to 98,183.22, 147,270.68 and 31,621.86

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Solution

The fourth proportional to 98,183.22, 147,270.68 and 31,621.86 is: 47,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,183.22 : 147,270.68 = 31,621.86 : x
  2. Step 2: Convert to fraction form
    98,183.22/147,270.68 = 31,621.86/x
  3. Step 3: Cross multiply
    98,183.22x = 147,270.68 × 31,621.86
  4. Step 4: Simplify right side
    98,183.22x = 4,656,972,825.06
  5. Step 5: Solve for x
    x = 4,656,972,825.06/98,183.22
  6. Step 6: Final answer
    x = 47,431.45

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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.