Home / 190,927.88-263,467.80-104,870.12

Finding the Fourth Proportional to 190,927.88, 263,467.80 and 104,870.12

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Solution

The fourth proportional to 190,927.88, 263,467.80 and 104,870.12 is: 144,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,927.88 : 263,467.80 = 104,870.12 : x
  2. Step 2: Convert to fraction form
    190,927.88/263,467.80 = 104,870.12/x
  3. Step 3: Cross multiply
    190,927.88x = 263,467.80 × 104,870.12
  4. Step 4: Simplify right side
    190,927.88x = 27,629,898,484.80
  5. Step 5: Solve for x
    x = 27,629,898,484.80/190,927.88
  6. Step 6: Final answer
    x = 144,713.80

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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.