Home / 120,028.16-180,067.53-41,148.54

Finding the Fourth Proportional to 120,028.16, 180,067.53 and 41,148.54

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Solution

The fourth proportional to 120,028.16, 180,067.53 and 41,148.54 is: 61,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,028.16 : 180,067.53 = 41,148.54 : x
  2. Step 2: Convert to fraction form
    120,028.16/180,067.53 = 41,148.54/x
  3. Step 3: Cross multiply
    120,028.16x = 180,067.53 × 41,148.54
  4. Step 4: Simplify right side
    120,028.16x = 7,409,515,960.91
  5. Step 5: Solve for x
    x = 7,409,515,960.91/120,028.16
  6. Step 6: Final answer
    x = 61,731.48

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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.