Home / 80,222.54-120,444.24-40,806.32

Finding the Fourth Proportional to 80,222.54, 120,444.24 and 40,806.32

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Solution

The fourth proportional to 80,222.54, 120,444.24 and 40,806.32 is: 61,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,222.54 : 120,444.24 = 40,806.32 : x
  2. Step 2: Convert to fraction form
    80,222.54/120,444.24 = 40,806.32/x
  3. Step 3: Cross multiply
    80,222.54x = 120,444.24 × 40,806.32
  4. Step 4: Simplify right side
    80,222.54x = 4,914,886,199.60
  5. Step 5: Solve for x
    x = 4,914,886,199.60/80,222.54
  6. Step 6: Final answer
    x = 61,265.65

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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.