Home / 154,992.12-213,762.24-109,203.54

Finding the Fourth Proportional to 154,992.12, 213,762.24 and 109,203.54

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Solution

The fourth proportional to 154,992.12, 213,762.24 and 109,203.54 is: 150,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,992.12 : 213,762.24 = 109,203.54 : x
  2. Step 2: Convert to fraction form
    154,992.12/213,762.24 = 109,203.54/x
  3. Step 3: Cross multiply
    154,992.12x = 213,762.24 × 109,203.54
  4. Step 4: Simplify right side
    154,992.12x = 23,343,593,326.33
  5. Step 5: Solve for x
    x = 23,343,593,326.33/154,992.12
  6. Step 6: Final answer
    x = 150,611.48

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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.