Home / 213,288.42-294,370.98-131,664.33

Finding the Fourth Proportional to 213,288.42, 294,370.98 and 131,664.33

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Solution

The fourth proportional to 213,288.42, 294,370.98 and 131,664.33 is: 181,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,288.42 : 294,370.98 = 131,664.33 : x
  2. Step 2: Convert to fraction form
    213,288.42/294,370.98 = 131,664.33/x
  3. Step 3: Cross multiply
    213,288.42x = 294,370.98 × 131,664.33
  4. Step 4: Simplify right side
    213,288.42x = 38,758,157,853.14
  5. Step 5: Solve for x
    x = 38,758,157,853.14/213,288.42
  6. Step 6: Final answer
    x = 181,717.12

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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.