Home / 190,766.40-263,219.40-122,676.72

Finding the Fourth Proportional to 190,766.40, 263,219.40 and 122,676.72

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Solution

The fourth proportional to 190,766.40, 263,219.40 and 122,676.72 is: 169,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.40 : 263,219.40 = 122,676.72 : x
  2. Step 2: Convert to fraction form
    190,766.40/263,219.40 = 122,676.72/x
  3. Step 3: Cross multiply
    190,766.40x = 263,219.40 × 122,676.72
  4. Step 4: Simplify right side
    190,766.40x = 32,290,892,632.37
  5. Step 5: Solve for x
    x = 32,290,892,632.37/190,766.40
  6. Step 6: Final answer
    x = 169,269.29

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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.