Home / 213,173.20-294,171.24-117,679.60

Finding the Fourth Proportional to 213,173.20, 294,171.24 and 117,679.60

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Solution

The fourth proportional to 213,173.20, 294,171.24 and 117,679.60 is: 162,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173.20 : 294,171.24 = 117,679.60 : x
  2. Step 2: Convert to fraction form
    213,173.20/294,171.24 = 117,679.60/x
  3. Step 3: Cross multiply
    213,173.20x = 294,171.24 × 117,679.60
  4. Step 4: Simplify right side
    213,173.20x = 34,617,953,854.70
  5. Step 5: Solve for x
    x = 34,617,953,854.70/213,173.20
  6. Step 6: Final answer
    x = 162,393.56

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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.