Home / 131,297.96-196,946.94-104,879

Finding the Fourth Proportional to 131,297.96, 196,946.94 and 104,879

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Solution

The fourth proportional to 131,297.96, 196,946.94 and 104,879 is: 157,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,297.96 : 196,946.94 = 104,879 : x
  2. Step 2: Convert to fraction form
    131,297.96/196,946.94 = 104,879/x
  3. Step 3: Cross multiply
    131,297.96x = 196,946.94 × 104,879
  4. Step 4: Simplify right side
    131,297.96x = 20,655,598,120.26
  5. Step 5: Solve for x
    x = 20,655,598,120.26/131,297.96
  6. Step 6: Final answer
    x = 157,318.50

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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.