Home / 129,682.37-194,476.77-54,808.31

Finding the Fourth Proportional to 129,682.37, 194,476.77 and 54,808.31

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Solution

The fourth proportional to 129,682.37, 194,476.77 and 54,808.31 is: 82,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,682.37 : 194,476.77 = 54,808.31 : x
  2. Step 2: Convert to fraction form
    129,682.37/194,476.77 = 54,808.31/x
  3. Step 3: Cross multiply
    129,682.37x = 194,476.77 × 54,808.31
  4. Step 4: Simplify right side
    129,682.37x = 10,658,943,584.15
  5. Step 5: Solve for x
    x = 10,658,943,584.15/129,682.37
  6. Step 6: Final answer
    x = 82,192.69

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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.