Home / 120,187.80-180,297.90-41,326.20

Finding the Fourth Proportional to 120,187.80, 180,297.90 and 41,326.20

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Solution

The fourth proportional to 120,187.80, 180,297.90 and 41,326.20 is: 61,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,187.80 : 180,297.90 = 41,326.20 : x
  2. Step 2: Convert to fraction form
    120,187.80/180,297.90 = 41,326.20/x
  3. Step 3: Cross multiply
    120,187.80x = 180,297.90 × 41,326.20
  4. Step 4: Simplify right side
    120,187.80x = 7,451,027,074.98
  5. Step 5: Solve for x
    x = 7,451,027,074.98/120,187.80
  6. Step 6: Final answer
    x = 61,994.87

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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.