Home / 213,276.12-294,318.60-122,632.45

Finding the Fourth Proportional to 213,276.12, 294,318.60 and 122,632.45

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Solution

The fourth proportional to 213,276.12, 294,318.60 and 122,632.45 is: 169,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,276.12 : 294,318.60 = 122,632.45 : x
  2. Step 2: Convert to fraction form
    213,276.12/294,318.60 = 122,632.45/x
  3. Step 3: Cross multiply
    213,276.12x = 294,318.60 × 122,632.45
  4. Step 4: Simplify right side
    213,276.12x = 36,093,010,998.57
  5. Step 5: Solve for x
    x = 36,093,010,998.57/213,276.12
  6. Step 6: Final answer
    x = 169,231.37

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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.