Home / 120,003.88-180,025.02-60,815.56

Finding the Fourth Proportional to 120,003.88, 180,025.02 and 60,815.56

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Solution

The fourth proportional to 120,003.88, 180,025.02 and 60,815.56 is: 91,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.88 : 180,025.02 = 60,815.56 : x
  2. Step 2: Convert to fraction form
    120,003.88/180,025.02 = 60,815.56/x
  3. Step 3: Cross multiply
    120,003.88x = 180,025.02 × 60,815.56
  4. Step 4: Simplify right side
    120,003.88x = 10,948,322,405.31
  5. Step 5: Solve for x
    x = 10,948,322,405.31/120,003.88
  6. Step 6: Final answer
    x = 91,233.07

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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.