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Finding the Fourth Proportional to 173,851.79, 239,679.91 and 148,629.10

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Solution

The fourth proportional to 173,851.79, 239,679.91 and 148,629.10 is: 204,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,851.79 : 239,679.91 = 148,629.10 : x
  2. Step 2: Convert to fraction form
    173,851.79/239,679.91 = 148,629.10/x
  3. Step 3: Cross multiply
    173,851.79x = 239,679.91 × 148,629.10
  4. Step 4: Simplify right side
    173,851.79x = 35,623,410,021.47
  5. Step 5: Solve for x
    x = 35,623,410,021.47/173,851.79
  6. Step 6: Final answer
    x = 204,906.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.