Home / 190,535.88-285,822.04-72,175.44

Finding the Fourth Proportional to 190,535.88, 285,822.04 and 72,175.44

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Solution

The fourth proportional to 190,535.88, 285,822.04 and 72,175.44 is: 108,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,535.88 : 285,822.04 = 72,175.44 : x
  2. Step 2: Convert to fraction form
    190,535.88/285,822.04 = 72,175.44/x
  3. Step 3: Cross multiply
    190,535.88x = 285,822.04 × 72,175.44
  4. Step 4: Simplify right side
    190,535.88x = 20,629,331,498.70
  5. Step 5: Solve for x
    x = 20,629,331,498.70/190,535.88
  6. Step 6: Final answer
    x = 108,270.06

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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.