Home / 130,296.88-179,563.94-104,426.02

Finding the Fourth Proportional to 130,296.88, 179,563.94 and 104,426.02

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Solution

The fourth proportional to 130,296.88, 179,563.94 and 104,426.02 is: 143,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,296.88 : 179,563.94 = 104,426.02 : x
  2. Step 2: Convert to fraction form
    130,296.88/179,563.94 = 104,426.02/x
  3. Step 3: Cross multiply
    130,296.88x = 179,563.94 × 104,426.02
  4. Step 4: Simplify right side
    130,296.88x = 18,751,147,589.72
  5. Step 5: Solve for x
    x = 18,751,147,589.72/130,296.88
  6. Step 6: Final answer
    x = 143,910.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.