Home / 197,128.80-295,531.20-84,895.20

Finding the Fourth Proportional to 197,128.80, 295,531.20 and 84,895.20

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Solution

The fourth proportional to 197,128.80, 295,531.20 and 84,895.20 is: 127,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,128.80 : 295,531.20 = 84,895.20 : x
  2. Step 2: Convert to fraction form
    197,128.80/295,531.20 = 84,895.20/x
  3. Step 3: Cross multiply
    197,128.80x = 295,531.20 × 84,895.20
  4. Step 4: Simplify right side
    197,128.80x = 25,089,180,330.24
  5. Step 5: Solve for x
    x = 25,089,180,330.24/197,128.80
  6. Step 6: Final answer
    x = 127,273.03

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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.