Home / 257,094.90-385,751.70-123,906.60

Finding the Fourth Proportional to 257,094.90, 385,751.70 and 123,906.60

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Solution

The fourth proportional to 257,094.90, 385,751.70 and 123,906.60 is: 185,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,094.90 : 385,751.70 = 123,906.60 : x
  2. Step 2: Convert to fraction form
    257,094.90/385,751.70 = 123,906.60/x
  3. Step 3: Cross multiply
    257,094.90x = 385,751.70 × 123,906.60
  4. Step 4: Simplify right side
    257,094.90x = 47,797,181,591.22
  5. Step 5: Solve for x
    x = 47,797,181,591.22/257,094.90
  6. Step 6: Final answer
    x = 185,912.60

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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.