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Finding the Fourth Proportional to 216,192.54, 323,932.98 and 73,960.06

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Solution

The fourth proportional to 216,192.54, 323,932.98 and 73,960.06 is: 110,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,192.54 : 323,932.98 = 73,960.06 : x
  2. Step 2: Convert to fraction form
    216,192.54/323,932.98 = 73,960.06/x
  3. Step 3: Cross multiply
    216,192.54x = 323,932.98 × 73,960.06
  4. Step 4: Simplify right side
    216,192.54x = 23,958,103,102.70
  5. Step 5: Solve for x
    x = 23,958,103,102.70/216,192.54
  6. Step 6: Final answer
    x = 110,818.36

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1.5x scale

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.