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Finding the Fourth Proportional to 192,078.20, 288,117.30 and 168,750.20

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Solution

The fourth proportional to 192,078.20, 288,117.30 and 168,750.20 is: 253,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,078.20 : 288,117.30 = 168,750.20 : x
  2. Step 2: Convert to fraction form
    192,078.20/288,117.30 = 168,750.20/x
  3. Step 3: Cross multiply
    192,078.20x = 288,117.30 × 168,750.20
  4. Step 4: Simplify right side
    192,078.20x = 48,619,851,998.46
  5. Step 5: Solve for x
    x = 48,619,851,998.46/192,078.20
  6. Step 6: Final answer
    x = 253,125.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.