Home / 120,812.04-181,224.30-30,855.59

Finding the Fourth Proportional to 120,812.04, 181,224.30 and 30,855.59

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Solution

The fourth proportional to 120,812.04, 181,224.30 and 30,855.59 is: 46,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,812.04 : 181,224.30 = 30,855.59 : x
  2. Step 2: Convert to fraction form
    120,812.04/181,224.30 = 30,855.59/x
  3. Step 3: Cross multiply
    120,812.04x = 181,224.30 × 30,855.59
  4. Step 4: Simplify right side
    120,812.04x = 5,591,782,698.84
  5. Step 5: Solve for x
    x = 5,591,782,698.84/120,812.04
  6. Step 6: Final answer
    x = 46,284.98

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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.