Home / 129,858.30-194,796.09-45,608.22

Finding the Fourth Proportional to 129,858.30, 194,796.09 and 45,608.22

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Solution

The fourth proportional to 129,858.30, 194,796.09 and 45,608.22 is: 68,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858.30 : 194,796.09 = 45,608.22 : x
  2. Step 2: Convert to fraction form
    129,858.30/194,796.09 = 45,608.22/x
  3. Step 3: Cross multiply
    129,858.30x = 194,796.09 × 45,608.22
  4. Step 4: Simplify right side
    129,858.30x = 8,884,302,927.86
  5. Step 5: Solve for x
    x = 8,884,302,927.86/129,858.30
  6. Step 6: Final answer
    x = 68,415.36

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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.