Home / 213,173.08-294,179.80-117,680.56

Finding the Fourth Proportional to 213,173.08, 294,179.80 and 117,680.56

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Solution

The fourth proportional to 213,173.08, 294,179.80 and 117,680.56 is: 162,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173.08 : 294,179.80 = 117,680.56 : x
  2. Step 2: Convert to fraction form
    213,173.08/294,179.80 = 117,680.56/x
  3. Step 3: Cross multiply
    213,173.08x = 294,179.80 × 117,680.56
  4. Step 4: Simplify right side
    213,173.08x = 34,619,243,604.69
  5. Step 5: Solve for x
    x = 34,619,243,604.69/213,173.08
  6. Step 6: Final answer
    x = 162,399.70

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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.