Home / 130,645.00-195,976.61-51,759

Finding the Fourth Proportional to 130,645.00, 195,976.61 and 51,759

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Solution

The fourth proportional to 130,645.00, 195,976.61 and 51,759 is: 77,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,645.00 : 195,976.61 = 51,759 : x
  2. Step 2: Convert to fraction form
    130,645.00/195,976.61 = 51,759/x
  3. Step 3: Cross multiply
    130,645.00x = 195,976.61 × 51,759
  4. Step 4: Simplify right side
    130,645.00x = 10,143,553,583.44
  5. Step 5: Solve for x
    x = 10,143,553,583.44/130,645.00
  6. Step 6: Final answer
    x = 77,642.11

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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.