Home / 202,212.20-279,052.06-111,573.82

Finding the Fourth Proportional to 202,212.20, 279,052.06 and 111,573.82

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Solution

The fourth proportional to 202,212.20, 279,052.06 and 111,573.82 is: 153,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,212.20 : 279,052.06 = 111,573.82 : x
  2. Step 2: Convert to fraction form
    202,212.20/279,052.06 = 111,573.82/x
  3. Step 3: Cross multiply
    202,212.20x = 279,052.06 × 111,573.82
  4. Step 4: Simplify right side
    202,212.20x = 31,134,904,313.07
  5. Step 5: Solve for x
    x = 31,134,904,313.07/202,212.20
  6. Step 6: Final answer
    x = 153,971.44

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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.