Home / 190,866.24-263,403.36-105,984

Finding the Fourth Proportional to 190,866.24, 263,403.36 and 105,984

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Solution

The fourth proportional to 190,866.24, 263,403.36 and 105,984 is: 146,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,866.24 : 263,403.36 = 105,984 : x
  2. Step 2: Convert to fraction form
    190,866.24/263,403.36 = 105,984/x
  3. Step 3: Cross multiply
    190,866.24x = 263,403.36 × 105,984
  4. Step 4: Simplify right side
    190,866.24x = 27,916,541,706.24
  5. Step 5: Solve for x
    x = 27,916,541,706.24/190,866.24
  6. Step 6: Final answer
    x = 146,262.33

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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.