Home / 230,518.44-345,839.22-72,749.88

Finding the Fourth Proportional to 230,518.44, 345,839.22 and 72,749.88

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Solution

The fourth proportional to 230,518.44, 345,839.22 and 72,749.88 is: 109,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,518.44 : 345,839.22 = 72,749.88 : x
  2. Step 2: Convert to fraction form
    230,518.44/345,839.22 = 72,749.88/x
  3. Step 3: Cross multiply
    230,518.44x = 345,839.22 × 72,749.88
  4. Step 4: Simplify right side
    230,518.44x = 25,159,761,754.29
  5. Step 5: Solve for x
    x = 25,159,761,754.29/230,518.44
  6. Step 6: Final answer
    x = 109,144.25

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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.