Home / 252,938.12-349,043.40-139,758.44

Finding the Fourth Proportional to 252,938.12, 349,043.40 and 139,758.44

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Solution

The fourth proportional to 252,938.12, 349,043.40 and 139,758.44 is: 192,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,938.12 : 349,043.40 = 139,758.44 : x
  2. Step 2: Convert to fraction form
    252,938.12/349,043.40 = 139,758.44/x
  3. Step 3: Cross multiply
    252,938.12x = 349,043.40 × 139,758.44
  4. Step 4: Simplify right side
    252,938.12x = 48,781,761,076.30
  5. Step 5: Solve for x
    x = 48,781,761,076.30/252,938.12
  6. Step 6: Final answer
    x = 192,860.46

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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.