Home / 312,764.01-468,968.25-123,121.68

Finding the Fourth Proportional to 312,764.01, 468,968.25 and 123,121.68

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Solution

The fourth proportional to 312,764.01, 468,968.25 and 123,121.68 is: 184,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,764.01 : 468,968.25 = 123,121.68 : x
  2. Step 2: Convert to fraction form
    312,764.01/468,968.25 = 123,121.68/x
  3. Step 3: Cross multiply
    312,764.01x = 468,968.25 × 123,121.68
  4. Step 4: Simplify right side
    312,764.01x = 57,740,158,806.66
  5. Step 5: Solve for x
    x = 57,740,158,806.66/312,764.01
  6. Step 6: Final answer
    x = 184,612.54

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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.