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Finding the Fourth Proportional to 173,141.30, 259,747.05 and 98,297.30

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Solution

The fourth proportional to 173,141.30, 259,747.05 and 98,297.30 is: 147,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,141.30 : 259,747.05 = 98,297.30 : x
  2. Step 2: Convert to fraction form
    173,141.30/259,747.05 = 98,297.30/x
  3. Step 3: Cross multiply
    173,141.30x = 259,747.05 × 98,297.30
  4. Step 4: Simplify right side
    173,141.30x = 25,532,433,697.97
  5. Step 5: Solve for x
    x = 25,532,433,697.97/173,141.30
  6. Step 6: Final answer
    x = 147,465.88

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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.