Home / 122,206.22-183,331.20-80,172.08

Finding the Fourth Proportional to 122,206.22, 183,331.20 and 80,172.08

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Solution

The fourth proportional to 122,206.22, 183,331.20 and 80,172.08 is: 120,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,206.22 : 183,331.20 = 80,172.08 : x
  2. Step 2: Convert to fraction form
    122,206.22/183,331.20 = 80,172.08/x
  3. Step 3: Cross multiply
    122,206.22x = 183,331.20 × 80,172.08
  4. Step 4: Simplify right side
    122,206.22x = 14,698,043,632.90
  5. Step 5: Solve for x
    x = 14,698,043,632.90/122,206.22
  6. Step 6: Final answer
    x = 120,272.47

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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.