Home / 190,468.40-285,451.90-106,268.18

Finding the Fourth Proportional to 190,468.40, 285,451.90 and 106,268.18

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Solution

The fourth proportional to 190,468.40, 285,451.90 and 106,268.18 is: 159,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,468.40 : 285,451.90 = 106,268.18 : x
  2. Step 2: Convert to fraction form
    190,468.40/285,451.90 = 106,268.18/x
  3. Step 3: Cross multiply
    190,468.40x = 285,451.90 × 106,268.18
  4. Step 4: Simplify right side
    190,468.40x = 30,334,452,197.61
  5. Step 5: Solve for x
    x = 30,334,452,197.61/190,468.40
  6. Step 6: Final answer
    x = 159,262.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.