Home / 122,205.12-183,247.68-43,308

Finding the Fourth Proportional to 122,205.12, 183,247.68 and 43,308

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Solution

The fourth proportional to 122,205.12, 183,247.68 and 43,308 is: 64,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205.12 : 183,247.68 = 43,308 : x
  2. Step 2: Convert to fraction form
    122,205.12/183,247.68 = 43,308/x
  3. Step 3: Cross multiply
    122,205.12x = 183,247.68 × 43,308
  4. Step 4: Simplify right side
    122,205.12x = 7,936,090,525.44
  5. Step 5: Solve for x
    x = 7,936,090,525.44/122,205.12
  6. Step 6: Final answer
    x = 64,940.74

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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.