Home / 179,914.12-248,313.53-107,321.51

Finding the Fourth Proportional to 179,914.12, 248,313.53 and 107,321.51

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Solution

The fourth proportional to 179,914.12, 248,313.53 and 107,321.51 is: 148,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,914.12 : 248,313.53 = 107,321.51 : x
  2. Step 2: Convert to fraction form
    179,914.12/248,313.53 = 107,321.51/x
  3. Step 3: Cross multiply
    179,914.12x = 248,313.53 × 107,321.51
  4. Step 4: Simplify right side
    179,914.12x = 26,649,382,993.03
  5. Step 5: Solve for x
    x = 26,649,382,993.03/179,914.12
  6. Step 6: Final answer
    x = 148,122.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.