Home / 148,151.37-204,449.44-80,168.35

Finding the Fourth Proportional to 148,151.37, 204,449.44 and 80,168.35

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Solution

The fourth proportional to 148,151.37, 204,449.44 and 80,168.35 is: 110,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,151.37 : 204,449.44 = 80,168.35 : x
  2. Step 2: Convert to fraction form
    148,151.37/204,449.44 = 80,168.35/x
  3. Step 3: Cross multiply
    148,151.37x = 204,449.44 × 80,168.35
  4. Step 4: Simplify right side
    148,151.37x = 16,390,373,284.85
  5. Step 5: Solve for x
    x = 16,390,373,284.85/148,151.37
  6. Step 6: Final answer
    x = 110,632.61

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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.