Home / 225,849.29-311,667.36-139,785.44

Finding the Fourth Proportional to 225,849.29, 311,667.36 and 139,785.44

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Solution

The fourth proportional to 225,849.29, 311,667.36 and 139,785.44 is: 192,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,849.29 : 311,667.36 = 139,785.44 : x
  2. Step 2: Convert to fraction form
    225,849.29/311,667.36 = 139,785.44/x
  3. Step 3: Cross multiply
    225,849.29x = 311,667.36 × 139,785.44
  4. Step 4: Simplify right side
    225,849.29x = 43,566,559,051.24
  5. Step 5: Solve for x
    x = 43,566,559,051.24/225,849.29
  6. Step 6: Final answer
    x = 192,901.02

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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.