Home / 120,886.44-181,334.28-45,992.64

Finding the Fourth Proportional to 120,886.44, 181,334.28 and 45,992.64

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Solution

The fourth proportional to 120,886.44, 181,334.28 and 45,992.64 is: 68,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.44 : 181,334.28 = 45,992.64 : x
  2. Step 2: Convert to fraction form
    120,886.44/181,334.28 = 45,992.64/x
  3. Step 3: Cross multiply
    120,886.44x = 181,334.28 × 45,992.64
  4. Step 4: Simplify right side
    120,886.44x = 8,340,042,259.70
  5. Step 5: Solve for x
    x = 8,340,042,259.70/120,886.44
  6. Step 6: Final answer
    x = 68,990.72

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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.