Home / 120,439.77-180,652.83-36,198.24

Finding the Fourth Proportional to 120,439.77, 180,652.83 and 36,198.24

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Solution

The fourth proportional to 120,439.77, 180,652.83 and 36,198.24 is: 54,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,439.77 : 180,652.83 = 36,198.24 : x
  2. Step 2: Convert to fraction form
    120,439.77/180,652.83 = 36,198.24/x
  3. Step 3: Cross multiply
    120,439.77x = 180,652.83 × 36,198.24
  4. Step 4: Simplify right side
    120,439.77x = 6,539,314,497.02
  5. Step 5: Solve for x
    x = 6,539,314,497.02/120,439.77
  6. Step 6: Final answer
    x = 54,295.31

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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.