Home / 190,048.86-262,272.87-105,173.82

Finding the Fourth Proportional to 190,048.86, 262,272.87 and 105,173.82

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Solution

The fourth proportional to 190,048.86, 262,272.87 and 105,173.82 is: 145,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,048.86 : 262,272.87 = 105,173.82 : x
  2. Step 2: Convert to fraction form
    190,048.86/262,272.87 = 105,173.82/x
  3. Step 3: Cross multiply
    190,048.86x = 262,272.87 × 105,173.82
  4. Step 4: Simplify right side
    190,048.86x = 27,584,239,620.26
  5. Step 5: Solve for x
    x = 27,584,239,620.26/190,048.86
  6. Step 6: Final answer
    x = 145,142.88

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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.