Home / 213,216.12-294,249.78-117,722.52

Finding the Fourth Proportional to 213,216.12, 294,249.78 and 117,722.52

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Solution

The fourth proportional to 213,216.12, 294,249.78 and 117,722.52 is: 162,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,216.12 : 294,249.78 = 117,722.52 : x
  2. Step 2: Convert to fraction form
    213,216.12/294,249.78 = 117,722.52/x
  3. Step 3: Cross multiply
    213,216.12x = 294,249.78 × 117,722.52
  4. Step 4: Simplify right side
    213,216.12x = 34,639,825,611.05
  5. Step 5: Solve for x
    x = 34,639,825,611.05/213,216.12
  6. Step 6: Final answer
    x = 162,463.45

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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.