Home / 202,766.07-279,814.24-112,120.05

Finding the Fourth Proportional to 202,766.07, 279,814.24 and 112,120.05

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Solution

The fourth proportional to 202,766.07, 279,814.24 and 112,120.05 is: 154,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,766.07 : 279,814.24 = 112,120.05 : x
  2. Step 2: Convert to fraction form
    202,766.07/279,814.24 = 112,120.05/x
  3. Step 3: Cross multiply
    202,766.07x = 279,814.24 × 112,120.05
  4. Step 4: Simplify right side
    202,766.07x = 31,372,786,579.51
  5. Step 5: Solve for x
    x = 31,372,786,579.51/202,766.07
  6. Step 6: Final answer
    x = 154,724.05

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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.