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Finding the Fourth Proportional to 173,224.60, 259,593.90 and 137,746.60

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Solution

The fourth proportional to 173,224.60, 259,593.90 and 137,746.60 is: 206,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,224.60 : 259,593.90 = 137,746.60 : x
  2. Step 2: Convert to fraction form
    173,224.60/259,593.90 = 137,746.60/x
  3. Step 3: Cross multiply
    173,224.60x = 259,593.90 × 137,746.60
  4. Step 4: Simplify right side
    173,224.60x = 35,758,177,105.74
  5. Step 5: Solve for x
    x = 35,758,177,105.74/173,224.60
  6. Step 6: Final answer
    x = 206,426.67

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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.