Home / 129,913.48-194,835.79-51,028.39

Finding the Fourth Proportional to 129,913.48, 194,835.79 and 51,028.39

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Solution

The fourth proportional to 129,913.48, 194,835.79 and 51,028.39 is: 76,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,913.48 : 194,835.79 = 51,028.39 : x
  2. Step 2: Convert to fraction form
    129,913.48/194,835.79 = 51,028.39/x
  3. Step 3: Cross multiply
    129,913.48x = 194,835.79 × 51,028.39
  4. Step 4: Simplify right side
    129,913.48x = 9,942,156,678.08
  5. Step 5: Solve for x
    x = 9,942,156,678.08/129,913.48
  6. Step 6: Final answer
    x = 76,529.06

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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.