Home / 190,571.60-263,004.96-105,716

Finding the Fourth Proportional to 190,571.60, 263,004.96 and 105,716

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Solution

The fourth proportional to 190,571.60, 263,004.96 and 105,716 is: 145,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,571.60 : 263,004.96 = 105,716 : x
  2. Step 2: Convert to fraction form
    190,571.60/263,004.96 = 105,716/x
  3. Step 3: Cross multiply
    190,571.60x = 263,004.96 × 105,716
  4. Step 4: Simplify right side
    190,571.60x = 27,803,832,351.36
  5. Step 5: Solve for x
    x = 27,803,832,351.36/190,571.60
  6. Step 6: Final answer
    x = 145,897.04

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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.