Home / 330,942.05-495,976.99-131,153.52

Finding the Fourth Proportional to 330,942.05, 495,976.99 and 131,153.52

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Solution

The fourth proportional to 330,942.05, 495,976.99 and 131,153.52 is: 196,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,942.05 : 495,976.99 = 131,153.52 : x
  2. Step 2: Convert to fraction form
    330,942.05/495,976.99 = 131,153.52/x
  3. Step 3: Cross multiply
    330,942.05x = 495,976.99 × 131,153.52
  4. Step 4: Simplify right side
    330,942.05x = 65,049,128,077.50
  5. Step 5: Solve for x
    x = 65,049,128,077.50/330,942.05
  6. Step 6: Final answer
    x = 196,557.46

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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.