Home / 312,745.03-468,939.80-123,102.61

Finding the Fourth Proportional to 312,745.03, 468,939.80 and 123,102.61

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Solution

The fourth proportional to 312,745.03, 468,939.80 and 123,102.61 is: 184,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,745.03 : 468,939.80 = 123,102.61 : x
  2. Step 2: Convert to fraction form
    312,745.03/468,939.80 = 123,102.61/x
  3. Step 3: Cross multiply
    312,745.03x = 468,939.80 × 123,102.61
  4. Step 4: Simplify right side
    312,745.03x = 57,727,712,448.29
  5. Step 5: Solve for x
    x = 57,727,712,448.29/312,745.03
  6. Step 6: Final answer
    x = 184,583.95

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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.