Home / 123,160.80-184,760.40-40,028.64

Finding the Fourth Proportional to 123,160.80, 184,760.40 and 40,028.64

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Solution

The fourth proportional to 123,160.80, 184,760.40 and 40,028.64 is: 60,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160.80 : 184,760.40 = 40,028.64 : x
  2. Step 2: Convert to fraction form
    123,160.80/184,760.40 = 40,028.64/x
  3. Step 3: Cross multiply
    123,160.80x = 184,760.40 × 40,028.64
  4. Step 4: Simplify right side
    123,160.80x = 7,395,707,537.86
  5. Step 5: Solve for x
    x = 7,395,707,537.86/123,160.80
  6. Step 6: Final answer
    x = 60,049.20

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1.5x scale

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.