Home / 252,401.78-348,339.07-139,224.53

Finding the Fourth Proportional to 252,401.78, 348,339.07 and 139,224.53

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Solution

The fourth proportional to 252,401.78, 348,339.07 and 139,224.53 is: 192,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.78 : 348,339.07 = 139,224.53 : x
  2. Step 2: Convert to fraction form
    252,401.78/348,339.07 = 139,224.53/x
  3. Step 3: Cross multiply
    252,401.78x = 348,339.07 × 139,224.53
  4. Step 4: Simplify right side
    252,401.78x = 48,497,343,301.39
  5. Step 5: Solve for x
    x = 48,497,343,301.39/252,401.78
  6. Step 6: Final answer
    x = 192,143.43

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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.