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Finding the Fourth Proportional to 120,027.42, 180,041.04 and 36,921.42

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Solution

The fourth proportional to 120,027.42, 180,041.04 and 36,921.42 is: 55,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,027.42 : 180,041.04 = 36,921.42 : x
  2. Step 2: Convert to fraction form
    120,027.42/180,041.04 = 36,921.42/x
  3. Step 3: Cross multiply
    120,027.42x = 180,041.04 × 36,921.42
  4. Step 4: Simplify right side
    120,027.42x = 6,647,370,855.08
  5. Step 5: Solve for x
    x = 6,647,370,855.08/120,027.42
  6. Step 6: Final answer
    x = 55,382.10

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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.