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Finding the Fourth Proportional to 139,204.29, 192,102.44 and 75,542.07

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Solution

The fourth proportional to 139,204.29, 192,102.44 and 75,542.07 is: 104,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,204.29 : 192,102.44 = 75,542.07 : x
  2. Step 2: Convert to fraction form
    139,204.29/192,102.44 = 75,542.07/x
  3. Step 3: Cross multiply
    139,204.29x = 192,102.44 × 75,542.07
  4. Step 4: Simplify right side
    139,204.29x = 14,511,815,969.65
  5. Step 5: Solve for x
    x = 14,511,815,969.65/139,204.29
  6. Step 6: Final answer
    x = 104,248.34

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1.5x scale

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.