Home / 252,389.22-348,272.92-139,204.68

Finding the Fourth Proportional to 252,389.22, 348,272.92 and 139,204.68

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Solution

The fourth proportional to 252,389.22, 348,272.92 and 139,204.68 is: 192,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,389.22 : 348,272.92 = 139,204.68 : x
  2. Step 2: Convert to fraction form
    252,389.22/348,272.92 = 139,204.68/x
  3. Step 3: Cross multiply
    252,389.22x = 348,272.92 × 139,204.68
  4. Step 4: Simplify right side
    252,389.22x = 48,481,218,466.22
  5. Step 5: Solve for x
    x = 48,481,218,466.22/252,389.22
  6. Step 6: Final answer
    x = 192,089.10

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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.