Home / 179,331.39-269,059.36-79,561.64

Finding the Fourth Proportional to 179,331.39, 269,059.36 and 79,561.64

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Solution

The fourth proportional to 179,331.39, 269,059.36 and 79,561.64 is: 119,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,331.39 : 269,059.36 = 79,561.64 : x
  2. Step 2: Convert to fraction form
    179,331.39/269,059.36 = 79,561.64/x
  3. Step 3: Cross multiply
    179,331.39x = 269,059.36 × 79,561.64
  4. Step 4: Simplify right side
    179,331.39x = 21,406,803,938.95
  5. Step 5: Solve for x
    x = 21,406,803,938.95/179,331.39
  6. Step 6: Final answer
    x = 119,370.09

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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.