Home / 213,145.66-294,150.78-122,530.96

Finding the Fourth Proportional to 213,145.66, 294,150.78 and 122,530.96

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Solution

The fourth proportional to 213,145.66, 294,150.78 and 122,530.96 is: 169,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,145.66 : 294,150.78 = 122,530.96 : x
  2. Step 2: Convert to fraction form
    213,145.66/294,150.78 = 122,530.96/x
  3. Step 3: Cross multiply
    213,145.66x = 294,150.78 × 122,530.96
  4. Step 4: Simplify right side
    213,145.66x = 36,042,577,458.15
  5. Step 5: Solve for x
    x = 36,042,577,458.15/213,145.66
  6. Step 6: Final answer
    x = 169,098.34

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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.