Home / 127,633.38-191,450-34,136.70

Finding the Fourth Proportional to 127,633.38, 191,450 and 34,136.70

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Solution

The fourth proportional to 127,633.38, 191,450 and 34,136.70 is: 51,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.38 : 191,450 = 34,136.70 : x
  2. Step 2: Convert to fraction form
    127,633.38/191,450 = 34,136.70/x
  3. Step 3: Cross multiply
    127,633.38x = 191,450 × 34,136.70
  4. Step 4: Simplify right side
    127,633.38x = 6,535,471,215.00
  5. Step 5: Solve for x
    x = 6,535,471,215.00/127,633.38
  6. Step 6: Final answer
    x = 51,205.03

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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.