Home / 129,844.37-194,777.73-45,597.31

Finding the Fourth Proportional to 129,844.37, 194,777.73 and 45,597.31

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Solution

The fourth proportional to 129,844.37, 194,777.73 and 45,597.31 is: 68,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,844.37 : 194,777.73 = 45,597.31 : x
  2. Step 2: Convert to fraction form
    129,844.37/194,777.73 = 45,597.31/x
  3. Step 3: Cross multiply
    129,844.37x = 194,777.73 × 45,597.31
  4. Step 4: Simplify right side
    129,844.37x = 8,881,340,048.96
  5. Step 5: Solve for x
    x = 8,881,340,048.96/129,844.37
  6. Step 6: Final answer
    x = 68,399.88

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Why These Related Problems?

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