Home / 122,068.80-183,232.62-108,119.34

Finding the Fourth Proportional to 122,068.80, 183,232.62 and 108,119.34

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Solution

The fourth proportional to 122,068.80, 183,232.62 and 108,119.34 is: 162,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,068.80 : 183,232.62 = 108,119.34 : x
  2. Step 2: Convert to fraction form
    122,068.80/183,232.62 = 108,119.34/x
  3. Step 3: Cross multiply
    122,068.80x = 183,232.62 × 108,119.34
  4. Step 4: Simplify right side
    122,068.80x = 19,810,989,940.87
  5. Step 5: Solve for x
    x = 19,810,989,940.87/122,068.80
  6. Step 6: Final answer
    x = 162,293.64

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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.