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Finding the Fourth Proportional to 179,887.97, 269,782.69 and 67,559.50

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Solution

The fourth proportional to 179,887.97, 269,782.69 and 67,559.50 is: 101,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,887.97 : 269,782.69 = 67,559.50 : x
  2. Step 2: Convert to fraction form
    179,887.97/269,782.69 = 67,559.50/x
  3. Step 3: Cross multiply
    179,887.97x = 269,782.69 × 67,559.50
  4. Step 4: Simplify right side
    179,887.97x = 18,226,382,296.14
  5. Step 5: Solve for x
    x = 18,226,382,296.14/179,887.97
  6. Step 6: Final answer
    x = 101,320.74

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1.5x scale

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.