Home / 158,619.03-218,932.42-107,716.60

Finding the Fourth Proportional to 158,619.03, 218,932.42 and 107,716.60

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Solution

The fourth proportional to 158,619.03, 218,932.42 and 107,716.60 is: 148,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,619.03 : 218,932.42 = 107,716.60 : x
  2. Step 2: Convert to fraction form
    158,619.03/218,932.42 = 107,716.60/x
  3. Step 3: Cross multiply
    158,619.03x = 218,932.42 × 107,716.60
  4. Step 4: Simplify right side
    158,619.03x = 23,582,656,118.51
  5. Step 5: Solve for x
    x = 23,582,656,118.51/158,619.03
  6. Step 6: Final answer
    x = 148,674.83

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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.