Home / 120,216.56-180,334.22-40,254.83

Finding the Fourth Proportional to 120,216.56, 180,334.22 and 40,254.83

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Solution

The fourth proportional to 120,216.56, 180,334.22 and 40,254.83 is: 60,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,216.56 : 180,334.22 = 40,254.83 : x
  2. Step 2: Convert to fraction form
    120,216.56/180,334.22 = 40,254.83/x
  3. Step 3: Cross multiply
    120,216.56x = 180,334.22 × 40,254.83
  4. Step 4: Simplify right side
    120,216.56x = 7,259,322,266.34
  5. Step 5: Solve for x
    x = 7,259,322,266.34/120,216.56
  6. Step 6: Final answer
    x = 60,385.38

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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.