Home / 208,745.82-288,069.75-113,252.49

Finding the Fourth Proportional to 208,745.82, 288,069.75 and 113,252.49

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Solution

The fourth proportional to 208,745.82, 288,069.75 and 113,252.49 is: 156,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,745.82 : 288,069.75 = 113,252.49 : x
  2. Step 2: Convert to fraction form
    208,745.82/288,069.75 = 113,252.49/x
  3. Step 3: Cross multiply
    208,745.82x = 288,069.75 × 113,252.49
  4. Step 4: Simplify right side
    208,745.82x = 32,624,616,481.18
  5. Step 5: Solve for x
    x = 32,624,616,481.18/208,745.82
  6. Step 6: Final answer
    x = 156,288.72

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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.