Home / 139,342.48-192,161.64-107,460.88

Finding the Fourth Proportional to 139,342.48, 192,161.64 and 107,460.88

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Solution

The fourth proportional to 139,342.48, 192,161.64 and 107,460.88 is: 148,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,342.48 : 192,161.64 = 107,460.88 : x
  2. Step 2: Convert to fraction form
    139,342.48/192,161.64 = 107,460.88/x
  3. Step 3: Cross multiply
    139,342.48x = 192,161.64 × 107,460.88
  4. Step 4: Simplify right side
    139,342.48x = 20,649,858,936.64
  5. Step 5: Solve for x
    x = 20,649,858,936.64/139,342.48
  6. Step 6: Final answer
    x = 148,195.00

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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.