Home / 213,217.35-294,237.99-117,721.95

Finding the Fourth Proportional to 213,217.35, 294,237.99 and 117,721.95

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Solution

The fourth proportional to 213,217.35, 294,237.99 and 117,721.95 is: 162,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,217.35 : 294,237.99 = 117,721.95 : x
  2. Step 2: Convert to fraction form
    213,217.35/294,237.99 = 117,721.95/x
  3. Step 3: Cross multiply
    213,217.35x = 294,237.99 × 117,721.95
  4. Step 4: Simplify right side
    213,217.35x = 34,638,269,946.88
  5. Step 5: Solve for x
    x = 34,638,269,946.88/213,217.35
  6. Step 6: Final answer
    x = 162,455.21

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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.