Home / 255,919.96-353,169.94-142,749.96

Finding the Fourth Proportional to 255,919.96, 353,169.94 and 142,749.96

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Solution

The fourth proportional to 255,919.96, 353,169.94 and 142,749.96 is: 196,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,919.96 : 353,169.94 = 142,749.96 : x
  2. Step 2: Convert to fraction form
    255,919.96/353,169.94 = 142,749.96/x
  3. Step 3: Cross multiply
    255,919.96x = 353,169.94 × 142,749.96
  4. Step 4: Simplify right side
    255,919.96x = 50,414,994,808.20
  5. Step 5: Solve for x
    x = 50,414,994,808.20/255,919.96
  6. Step 6: Final answer
    x = 196,995.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.