Home / 179,405.73-268,955.91-79,511.49

Finding the Fourth Proportional to 179,405.73, 268,955.91 and 79,511.49

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Solution

The fourth proportional to 179,405.73, 268,955.91 and 79,511.49 is: 119,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,405.73 : 268,955.91 = 79,511.49 : x
  2. Step 2: Convert to fraction form
    179,405.73/268,955.91 = 79,511.49/x
  3. Step 3: Cross multiply
    179,405.73x = 268,955.91 × 79,511.49
  4. Step 4: Simplify right side
    179,405.73x = 21,385,085,148.41
  5. Step 5: Solve for x
    x = 21,385,085,148.41/179,405.73
  6. Step 6: Final answer
    x = 119,199.57

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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.