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Finding the Fourth Proportional to 173,800, 239,844 and 94,312

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Solution

The fourth proportional to 173,800, 239,844 and 94,312 is: 130,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,800 : 239,844 = 94,312 : x
  2. Step 2: Convert to fraction form
    173,800/239,844 = 94,312/x
  3. Step 3: Cross multiply
    173,800x = 239,844 × 94,312
  4. Step 4: Simplify right side
    173,800x = 22,620,167,328
  5. Step 5: Solve for x
    x = 22,620,167,328/173,800
  6. Step 6: Final answer
    x = 130,150.56

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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.