Home / 197,311.20-295,748.10-84,972.30

Finding the Fourth Proportional to 197,311.20, 295,748.10 and 84,972.30

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Solution

The fourth proportional to 197,311.20, 295,748.10 and 84,972.30 is: 127,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,311.20 : 295,748.10 = 84,972.30 : x
  2. Step 2: Convert to fraction form
    197,311.20/295,748.10 = 84,972.30/x
  3. Step 3: Cross multiply
    197,311.20x = 295,748.10 × 84,972.30
  4. Step 4: Simplify right side
    197,311.20x = 25,130,396,277.63
  5. Step 5: Solve for x
    x = 25,130,396,277.63/197,311.20
  6. Step 6: Final answer
    x = 127,364.27

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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.