Home / 213,375.12-294,515.64-126,236.40

Finding the Fourth Proportional to 213,375.12, 294,515.64 and 126,236.40

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Solution

The fourth proportional to 213,375.12, 294,515.64 and 126,236.40 is: 174,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,375.12 : 294,515.64 = 126,236.40 : x
  2. Step 2: Convert to fraction form
    213,375.12/294,515.64 = 126,236.40/x
  3. Step 3: Cross multiply
    213,375.12x = 294,515.64 × 126,236.40
  4. Step 4: Simplify right side
    213,375.12x = 37,178,594,137.30
  5. Step 5: Solve for x
    x = 37,178,594,137.30/213,375.12
  6. Step 6: Final answer
    x = 174,240.53

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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.