Home / 225,968.52-311,849.54-136,573.32

Finding the Fourth Proportional to 225,968.52, 311,849.54 and 136,573.32

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Solution

The fourth proportional to 225,968.52, 311,849.54 and 136,573.32 is: 188,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,968.52 : 311,849.54 = 136,573.32 : x
  2. Step 2: Convert to fraction form
    225,968.52/311,849.54 = 136,573.32/x
  3. Step 3: Cross multiply
    225,968.52x = 311,849.54 × 136,573.32
  4. Step 4: Simplify right side
    225,968.52x = 42,590,327,018.27
  5. Step 5: Solve for x
    x = 42,590,327,018.27/225,968.52
  6. Step 6: Final answer
    x = 188,479.03

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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.