Home / 213,321.60-294,407.04-122,682.24

Finding the Fourth Proportional to 213,321.60, 294,407.04 and 122,682.24

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Solution

The fourth proportional to 213,321.60, 294,407.04 and 122,682.24 is: 169,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,321.60 : 294,407.04 = 122,682.24 : x
  2. Step 2: Convert to fraction form
    213,321.60/294,407.04 = 122,682.24/x
  3. Step 3: Cross multiply
    213,321.60x = 294,407.04 × 122,682.24
  4. Step 4: Simplify right side
    213,321.60x = 36,118,515,138.97
  5. Step 5: Solve for x
    x = 36,118,515,138.97/213,321.60
  6. Step 6: Final answer
    x = 169,314.85

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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.