Home / 202,835.80-279,933.78-112,198.60

Finding the Fourth Proportional to 202,835.80, 279,933.78 and 112,198.60

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Solution

The fourth proportional to 202,835.80, 279,933.78 and 112,198.60 is: 154,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,835.80 : 279,933.78 = 112,198.60 : x
  2. Step 2: Convert to fraction form
    202,835.80/279,933.78 = 112,198.60/x
  3. Step 3: Cross multiply
    202,835.80x = 279,933.78 × 112,198.60
  4. Step 4: Simplify right side
    202,835.80x = 31,408,178,208.71
  5. Step 5: Solve for x
    x = 31,408,178,208.71/202,835.80
  6. Step 6: Final answer
    x = 154,845.34

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1.5x scale

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.