Home / 213,448.96-320,179.20-55,673.92

Finding the Fourth Proportional to 213,448.96, 320,179.20 and 55,673.92

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Solution

The fourth proportional to 213,448.96, 320,179.20 and 55,673.92 is: 83,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,448.96 : 320,179.20 = 55,673.92 : x
  2. Step 2: Convert to fraction form
    213,448.96/320,179.20 = 55,673.92/x
  3. Step 3: Cross multiply
    213,448.96x = 320,179.20 × 55,673.92
  4. Step 4: Simplify right side
    213,448.96x = 17,825,631,166.46
  5. Step 5: Solve for x
    x = 17,825,631,166.46/213,448.96
  6. Step 6: Final answer
    x = 83,512.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.