Home / 230,830.93-345,963.87-131,074.57

Finding the Fourth Proportional to 230,830.93, 345,963.87 and 131,074.57

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Solution

The fourth proportional to 230,830.93, 345,963.87 and 131,074.57 is: 196,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,830.93 : 345,963.87 = 131,074.57 : x
  2. Step 2: Convert to fraction form
    230,830.93/345,963.87 = 131,074.57/x
  3. Step 3: Cross multiply
    230,830.93x = 345,963.87 × 131,074.57
  4. Step 4: Simplify right side
    230,830.93x = 45,347,065,495.79
  5. Step 5: Solve for x
    x = 45,347,065,495.79/230,830.93
  6. Step 6: Final answer
    x = 196,451.43

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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.