Home / 129,834.48-194,631.36-50,949.36

Finding the Fourth Proportional to 129,834.48, 194,631.36 and 50,949.36

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Solution

The fourth proportional to 129,834.48, 194,631.36 and 50,949.36 is: 76,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.48 : 194,631.36 = 50,949.36 : x
  2. Step 2: Convert to fraction form
    129,834.48/194,631.36 = 50,949.36/x
  3. Step 3: Cross multiply
    129,834.48x = 194,631.36 × 50,949.36
  4. Step 4: Simplify right side
    129,834.48x = 9,916,343,227.93
  5. Step 5: Solve for x
    x = 9,916,343,227.93/129,834.48
  6. Step 6: Final answer
    x = 76,376.81

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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.