Home / 139,355.48-192,179.58-107,473.88

Finding the Fourth Proportional to 139,355.48, 192,179.58 and 107,473.88

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Solution

The fourth proportional to 139,355.48, 192,179.58 and 107,473.88 is: 148,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,355.48 : 192,179.58 = 107,473.88 : x
  2. Step 2: Convert to fraction form
    139,355.48/192,179.58 = 107,473.88/x
  3. Step 3: Cross multiply
    139,355.48x = 192,179.58 × 107,473.88
  4. Step 4: Simplify right side
    139,355.48x = 20,654,285,119.37
  5. Step 5: Solve for x
    x = 20,654,285,119.37/139,355.48
  6. Step 6: Final answer
    x = 148,212.94

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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.