Home / 220,033.94-330,050.89-120,139.63

Finding the Fourth Proportional to 220,033.94, 330,050.89 and 120,139.63

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Solution

The fourth proportional to 220,033.94, 330,050.89 and 120,139.63 is: 180,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,033.94 : 330,050.89 = 120,139.63 : x
  2. Step 2: Convert to fraction form
    220,033.94/330,050.89 = 120,139.63/x
  3. Step 3: Cross multiply
    220,033.94x = 330,050.89 × 120,139.63
  4. Step 4: Simplify right side
    220,033.94x = 39,652,192,396.98
  5. Step 5: Solve for x
    x = 39,652,192,396.98/220,033.94
  6. Step 6: Final answer
    x = 180,209.44

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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.