Home / 213,725.31-320,620.76-73,451.13

Finding the Fourth Proportional to 213,725.31, 320,620.76 and 73,451.13

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Solution

The fourth proportional to 213,725.31, 320,620.76 and 73,451.13 is: 110,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,725.31 : 320,620.76 = 73,451.13 : x
  2. Step 2: Convert to fraction form
    213,725.31/320,620.76 = 73,451.13/x
  3. Step 3: Cross multiply
    213,725.31x = 320,620.76 × 73,451.13
  4. Step 4: Simplify right side
    213,725.31x = 23,549,957,123.46
  5. Step 5: Solve for x
    x = 23,549,957,123.46/213,725.31
  6. Step 6: Final answer
    x = 110,187.97

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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.