Home / 190,029.86-262,241.23-103,988.86

Finding the Fourth Proportional to 190,029.86, 262,241.23 and 103,988.86

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Solution

The fourth proportional to 190,029.86, 262,241.23 and 103,988.86 is: 143,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,029.86 : 262,241.23 = 103,988.86 : x
  2. Step 2: Convert to fraction form
    190,029.86/262,241.23 = 103,988.86/x
  3. Step 3: Cross multiply
    190,029.86x = 262,241.23 × 103,988.86
  4. Step 4: Simplify right side
    190,029.86x = 27,270,166,054.64
  5. Step 5: Solve for x
    x = 27,270,166,054.64/190,029.86
  6. Step 6: Final answer
    x = 143,504.64

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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.