Home / 213,211.88-294,232.30-122,585.56

Finding the Fourth Proportional to 213,211.88, 294,232.30 and 122,585.56

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Solution

The fourth proportional to 213,211.88, 294,232.30 and 122,585.56 is: 169,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,211.88 : 294,232.30 = 122,585.56 : x
  2. Step 2: Convert to fraction form
    213,211.88/294,232.30 = 122,585.56/x
  3. Step 3: Cross multiply
    213,211.88x = 294,232.30 × 122,585.56
  4. Step 4: Simplify right side
    213,211.88x = 36,068,631,265.59
  5. Step 5: Solve for x
    x = 36,068,631,265.59/213,211.88
  6. Step 6: Final answer
    x = 169,168.02

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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.