Home / 197,278.20-295,698.60-84,939.30

Finding the Fourth Proportional to 197,278.20, 295,698.60 and 84,939.30

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Solution

The fourth proportional to 197,278.20, 295,698.60 and 84,939.30 is: 127,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,278.20 : 295,698.60 = 84,939.30 : x
  2. Step 2: Convert to fraction form
    197,278.20/295,698.60 = 84,939.30/x
  3. Step 3: Cross multiply
    197,278.20x = 295,698.60 × 84,939.30
  4. Step 4: Simplify right side
    197,278.20x = 25,116,432,094.98
  5. Step 5: Solve for x
    x = 25,116,432,094.98/197,278.20
  6. Step 6: Final answer
    x = 127,314.79

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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.