Home / 213,162.32-294,160.20-122,517.20

Finding the Fourth Proportional to 213,162.32, 294,160.20 and 122,517.20

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Solution

The fourth proportional to 213,162.32, 294,160.20 and 122,517.20 is: 169,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,162.32 : 294,160.20 = 122,517.20 : x
  2. Step 2: Convert to fraction form
    213,162.32/294,160.20 = 122,517.20/x
  3. Step 3: Cross multiply
    213,162.32x = 294,160.20 × 122,517.20
  4. Step 4: Simplify right side
    213,162.32x = 36,039,684,055.44
  5. Step 5: Solve for x
    x = 36,039,684,055.44/213,162.32
  6. Step 6: Final answer
    x = 169,071.55

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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.