Home / 139,617.32-192,676.73-75,957.39

Finding the Fourth Proportional to 139,617.32, 192,676.73 and 75,957.39

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Solution

The fourth proportional to 139,617.32, 192,676.73 and 75,957.39 is: 104,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,617.32 : 192,676.73 = 75,957.39 : x
  2. Step 2: Convert to fraction form
    139,617.32/192,676.73 = 75,957.39/x
  3. Step 3: Cross multiply
    139,617.32x = 192,676.73 × 75,957.39
  4. Step 4: Simplify right side
    139,617.32x = 14,635,221,144.75
  5. Step 5: Solve for x
    x = 14,635,221,144.75/139,617.32
  6. Step 6: Final answer
    x = 104,823.83

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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.