Home / 123,968.03-171,077.01-67,379.54

Finding the Fourth Proportional to 123,968.03, 171,077.01 and 67,379.54

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Solution

The fourth proportional to 123,968.03, 171,077.01 and 67,379.54 is: 92,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,968.03 : 171,077.01 = 67,379.54 : x
  2. Step 2: Convert to fraction form
    123,968.03/171,077.01 = 67,379.54/x
  3. Step 3: Cross multiply
    123,968.03x = 171,077.01 × 67,379.54
  4. Step 4: Simplify right side
    123,968.03x = 11,527,090,238.38
  5. Step 5: Solve for x
    x = 11,527,090,238.38/123,968.03
  6. Step 6: Final answer
    x = 92,984.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.