Home / 155,445.80-233,168.70-143,198.60

Finding the Fourth Proportional to 155,445.80, 233,168.70 and 143,198.60

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Solution

The fourth proportional to 155,445.80, 233,168.70 and 143,198.60 is: 214,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,445.80 : 233,168.70 = 143,198.60 : x
  2. Step 2: Convert to fraction form
    155,445.80/233,168.70 = 143,198.60/x
  3. Step 3: Cross multiply
    155,445.80x = 233,168.70 × 143,198.60
  4. Step 4: Simplify right side
    155,445.80x = 33,389,431,403.82
  5. Step 5: Solve for x
    x = 33,389,431,403.82/155,445.80
  6. Step 6: Final answer
    x = 214,797.90

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1.5x scale

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.