Home / 120,257.20-180,335.05-36,029.34

Finding the Fourth Proportional to 120,257.20, 180,335.05 and 36,029.34

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Solution

The fourth proportional to 120,257.20, 180,335.05 and 36,029.34 is: 54,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,257.20 : 180,335.05 = 36,029.34 : x
  2. Step 2: Convert to fraction form
    120,257.20/180,335.05 = 36,029.34/x
  3. Step 3: Cross multiply
    120,257.20x = 180,335.05 × 36,029.34
  4. Step 4: Simplify right side
    120,257.20x = 6,497,352,942.96
  5. Step 5: Solve for x
    x = 6,497,352,942.96/120,257.20
  6. Step 6: Final answer
    x = 54,028.81

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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.