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Finding the Fourth Proportional to 192,603.16, 288,852.90 and 67,927.96

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Solution

The fourth proportional to 192,603.16, 288,852.90 and 67,927.96 is: 101,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,603.16 : 288,852.90 = 67,927.96 : x
  2. Step 2: Convert to fraction form
    192,603.16/288,852.90 = 67,927.96/x
  3. Step 3: Cross multiply
    192,603.16x = 288,852.90 × 67,927.96
  4. Step 4: Simplify right side
    192,603.16x = 19,621,188,237.08
  5. Step 5: Solve for x
    x = 19,621,188,237.08/192,603.16
  6. Step 6: Final answer
    x = 101,873.66

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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.