Home / 213,121.97-294,087.38-117,622.50

Finding the Fourth Proportional to 213,121.97, 294,087.38 and 117,622.50

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Solution

The fourth proportional to 213,121.97, 294,087.38 and 117,622.50 is: 162,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,121.97 : 294,087.38 = 117,622.50 : x
  2. Step 2: Convert to fraction form
    213,121.97/294,087.38 = 117,622.50/x
  3. Step 3: Cross multiply
    213,121.97x = 294,087.38 × 117,622.50
  4. Step 4: Simplify right side
    213,121.97x = 34,591,290,795.50
  5. Step 5: Solve for x
    x = 34,591,290,795.50/213,121.97
  6. Step 6: Final answer
    x = 162,307.49

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1.5x scale

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.