Home / 190,955.81-263,489.75-110,367.80

Finding the Fourth Proportional to 190,955.81, 263,489.75 and 110,367.80

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Solution

The fourth proportional to 190,955.81, 263,489.75 and 110,367.80 is: 152,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,955.81 : 263,489.75 = 110,367.80 : x
  2. Step 2: Convert to fraction form
    190,955.81/263,489.75 = 110,367.80/x
  3. Step 3: Cross multiply
    190,955.81x = 263,489.75 × 110,367.80
  4. Step 4: Simplify right side
    190,955.81x = 29,080,782,160.76
  5. Step 5: Solve for x
    x = 29,080,782,160.76/190,955.81
  6. Step 6: Final answer
    x = 152,290.64

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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.