Home / 213,448.42-320,161.02-108,264.64

Finding the Fourth Proportional to 213,448.42, 320,161.02 and 108,264.64

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Solution

The fourth proportional to 213,448.42, 320,161.02 and 108,264.64 is: 162,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,448.42 : 320,161.02 = 108,264.64 : x
  2. Step 2: Convert to fraction form
    213,448.42/320,161.02 = 108,264.64/x
  3. Step 3: Cross multiply
    213,448.42x = 320,161.02 × 108,264.64
  4. Step 4: Simplify right side
    213,448.42x = 34,662,117,572.33
  5. Step 5: Solve for x
    x = 34,662,117,572.33/213,448.42
  6. Step 6: Final answer
    x = 162,391.07

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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.