Home / 202,351.20-279,245.06-111,707.29

Finding the Fourth Proportional to 202,351.20, 279,245.06 and 111,707.29

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Solution

The fourth proportional to 202,351.20, 279,245.06 and 111,707.29 is: 154,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,351.20 : 279,245.06 = 111,707.29 : x
  2. Step 2: Convert to fraction form
    202,351.20/279,245.06 = 111,707.29/x
  3. Step 3: Cross multiply
    202,351.20x = 279,245.06 × 111,707.29
  4. Step 4: Simplify right side
    202,351.20x = 31,193,708,165.51
  5. Step 5: Solve for x
    x = 31,193,708,165.51/202,351.20
  6. Step 6: Final answer
    x = 154,156.28

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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.