Home / 201,811.80-303,743.73-152,142.60

Finding the Fourth Proportional to 201,811.80, 303,743.73 and 152,142.60

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Solution

The fourth proportional to 201,811.80, 303,743.73 and 152,142.60 is: 228,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,811.80 : 303,743.73 = 152,142.60 : x
  2. Step 2: Convert to fraction form
    201,811.80/303,743.73 = 152,142.60/x
  3. Step 3: Cross multiply
    201,811.80x = 303,743.73 × 152,142.60
  4. Step 4: Simplify right side
    201,811.80x = 46,212,360,815.90
  5. Step 5: Solve for x
    x = 46,212,360,815.90/201,811.80
  6. Step 6: Final answer
    x = 228,987.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.