Home / 198,485.67-273,953.54-122,070.51

Finding the Fourth Proportional to 198,485.67, 273,953.54 and 122,070.51

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Solution

The fourth proportional to 198,485.67, 273,953.54 and 122,070.51 is: 168,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,485.67 : 273,953.54 = 122,070.51 : x
  2. Step 2: Convert to fraction form
    198,485.67/273,953.54 = 122,070.51/x
  3. Step 3: Cross multiply
    198,485.67x = 273,953.54 × 122,070.51
  4. Step 4: Simplify right side
    198,485.67x = 33,441,647,733.75
  5. Step 5: Solve for x
    x = 33,441,647,733.75/198,485.67
  6. Step 6: Final answer
    x = 168,483.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.