Home / 252,935.66-349,046.97-138,211.77

Finding the Fourth Proportional to 252,935.66, 349,046.97 and 138,211.77

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Solution

The fourth proportional to 252,935.66, 349,046.97 and 138,211.77 is: 190,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,935.66 : 349,046.97 = 138,211.77 : x
  2. Step 2: Convert to fraction form
    252,935.66/349,046.97 = 138,211.77/x
  3. Step 3: Cross multiply
    252,935.66x = 349,046.97 × 138,211.77
  4. Step 4: Simplify right side
    252,935.66x = 48,242,399,536.84
  5. Step 5: Solve for x
    x = 48,242,399,536.84/252,935.66
  6. Step 6: Final answer
    x = 190,729.93

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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.