Home / 129,231.14-193,846.52-40,491.54

Finding the Fourth Proportional to 129,231.14, 193,846.52 and 40,491.54

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Solution

The fourth proportional to 129,231.14, 193,846.52 and 40,491.54 is: 60,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,231.14 : 193,846.52 = 40,491.54 : x
  2. Step 2: Convert to fraction form
    129,231.14/193,846.52 = 40,491.54/x
  3. Step 3: Cross multiply
    129,231.14x = 193,846.52 × 40,491.54
  4. Step 4: Simplify right side
    129,231.14x = 7,849,144,219.67
  5. Step 5: Solve for x
    x = 7,849,144,219.67/129,231.14
  6. Step 6: Final answer
    x = 60,737.25

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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.