Home / 252,189.12-348,022.08-139,009.44

Finding the Fourth Proportional to 252,189.12, 348,022.08 and 139,009.44

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Solution

The fourth proportional to 252,189.12, 348,022.08 and 139,009.44 is: 191,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,189.12 : 348,022.08 = 139,009.44 : x
  2. Step 2: Convert to fraction form
    252,189.12/348,022.08 = 139,009.44/x
  3. Step 3: Cross multiply
    252,189.12x = 348,022.08 × 139,009.44
  4. Step 4: Simplify right side
    252,189.12x = 48,378,354,448.44
  5. Step 5: Solve for x
    x = 48,378,354,448.44/252,189.12
  6. Step 6: Final answer
    x = 191,833.63

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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.