Home / 213,278.52-320,112.82-108,170.04

Finding the Fourth Proportional to 213,278.52, 320,112.82 and 108,170.04

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Solution

The fourth proportional to 213,278.52, 320,112.82 and 108,170.04 is: 162,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,278.52 : 320,112.82 = 108,170.04 : x
  2. Step 2: Convert to fraction form
    213,278.52/320,112.82 = 108,170.04/x
  3. Step 3: Cross multiply
    213,278.52x = 320,112.82 × 108,170.04
  4. Step 4: Simplify right side
    213,278.52x = 34,626,616,543.91
  5. Step 5: Solve for x
    x = 34,626,616,543.91/213,278.52
  6. Step 6: Final answer
    x = 162,353.98

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1.5x scale

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.