Home / 213,724.31-320,619.26-73,450.13

Finding the Fourth Proportional to 213,724.31, 320,619.26 and 73,450.13

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Solution

The fourth proportional to 213,724.31, 320,619.26 and 73,450.13 is: 110,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,724.31 : 320,619.26 = 73,450.13 : x
  2. Step 2: Convert to fraction form
    213,724.31/320,619.26 = 73,450.13/x
  3. Step 3: Cross multiply
    213,724.31x = 320,619.26 × 73,450.13
  4. Step 4: Simplify right side
    213,724.31x = 23,549,524,908.03
  5. Step 5: Solve for x
    x = 23,549,524,908.03/213,724.31
  6. Step 6: Final answer
    x = 110,186.46

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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.