Home / 213,281.10-294,365.70-122,629.95

Finding the Fourth Proportional to 213,281.10, 294,365.70 and 122,629.95

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Solution

The fourth proportional to 213,281.10, 294,365.70 and 122,629.95 is: 169,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,281.10 : 294,365.70 = 122,629.95 : x
  2. Step 2: Convert to fraction form
    213,281.10/294,365.70 = 122,629.95/x
  3. Step 3: Cross multiply
    213,281.10x = 294,365.70 × 122,629.95
  4. Step 4: Simplify right side
    213,281.10x = 36,098,051,072.72
  5. Step 5: Solve for x
    x = 36,098,051,072.72/213,281.10
  6. Step 6: Final answer
    x = 169,251.05

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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.