Home / 252,961.77-349,087.37-139,784.52

Finding the Fourth Proportional to 252,961.77, 349,087.37 and 139,784.52

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Solution

The fourth proportional to 252,961.77, 349,087.37 and 139,784.52 is: 192,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,961.77 : 349,087.37 = 139,784.52 : x
  2. Step 2: Convert to fraction form
    252,961.77/349,087.37 = 139,784.52/x
  3. Step 3: Cross multiply
    252,961.77x = 349,087.37 × 139,784.52
  4. Step 4: Simplify right side
    252,961.77x = 48,797,010,453.51
  5. Step 5: Solve for x
    x = 48,797,010,453.51/252,961.77
  6. Step 6: Final answer
    x = 192,902.71

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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.