Home / 190,030.03-262,241.46-103,989.03

Finding the Fourth Proportional to 190,030.03, 262,241.46 and 103,989.03

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Solution

The fourth proportional to 190,030.03, 262,241.46 and 103,989.03 is: 143,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,030.03 : 262,241.46 = 103,989.03 : x
  2. Step 2: Convert to fraction form
    190,030.03/262,241.46 = 103,989.03/x
  3. Step 3: Cross multiply
    190,030.03x = 262,241.46 × 103,989.03
  4. Step 4: Simplify right side
    190,030.03x = 27,270,233,739.98
  5. Step 5: Solve for x
    x = 27,270,233,739.98/190,030.03
  6. Step 6: Final answer
    x = 143,504.87

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1.5x scale

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.