Home / 127,834.43-191,733.89-67,836.65

Finding the Fourth Proportional to 127,834.43, 191,733.89 and 67,836.65

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Solution

The fourth proportional to 127,834.43, 191,733.89 and 67,836.65 is: 101,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.43 : 191,733.89 = 67,836.65 : x
  2. Step 2: Convert to fraction form
    127,834.43/191,733.89 = 67,836.65/x
  3. Step 3: Cross multiply
    127,834.43x = 191,733.89 × 67,836.65
  4. Step 4: Simplify right side
    127,834.43x = 13,006,583,491.22
  5. Step 5: Solve for x
    x = 13,006,583,491.22/127,834.43
  6. Step 6: Final answer
    x = 101,745.55

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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.