Home / 129,932.52-194,911.50-54,015.36

Finding the Fourth Proportional to 129,932.52, 194,911.50 and 54,015.36

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Solution

The fourth proportional to 129,932.52, 194,911.50 and 54,015.36 is: 81,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,932.52 : 194,911.50 = 54,015.36 : x
  2. Step 2: Convert to fraction form
    129,932.52/194,911.50 = 54,015.36/x
  3. Step 3: Cross multiply
    129,932.52x = 194,911.50 × 54,015.36
  4. Step 4: Simplify right side
    129,932.52x = 10,528,214,840.64
  5. Step 5: Solve for x
    x = 10,528,214,840.64/129,932.52
  6. Step 6: Final answer
    x = 81,028.33

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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.