Home / 252,578.64-348,556.80-139,401.38

Finding the Fourth Proportional to 252,578.64, 348,556.80 and 139,401.38

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Solution

The fourth proportional to 252,578.64, 348,556.80 and 139,401.38 is: 192,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,578.64 : 348,556.80 = 139,401.38 : x
  2. Step 2: Convert to fraction form
    252,578.64/348,556.80 = 139,401.38/x
  3. Step 3: Cross multiply
    252,578.64x = 348,556.80 × 139,401.38
  4. Step 4: Simplify right side
    252,578.64x = 48,589,298,928.38
  5. Step 5: Solve for x
    x = 48,589,298,928.38/252,578.64
  6. Step 6: Final answer
    x = 192,372.95

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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.