Home / 80,225.37-120,333.20-21,059.73

Finding the Fourth Proportional to 80,225.37, 120,333.20 and 21,059.73

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Solution

The fourth proportional to 80,225.37, 120,333.20 and 21,059.73 is: 31,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,225.37 : 120,333.20 = 21,059.73 : x
  2. Step 2: Convert to fraction form
    80,225.37/120,333.20 = 21,059.73/x
  3. Step 3: Cross multiply
    80,225.37x = 120,333.20 × 21,059.73
  4. Step 4: Simplify right side
    80,225.37x = 2,534,184,596.74
  5. Step 5: Solve for x
    x = 2,534,184,596.74/80,225.37
  6. Step 6: Final answer
    x = 31,588.32

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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.