Home / 329,936.20-494,688.30-130,136.20

Finding the Fourth Proportional to 329,936.20, 494,688.30 and 130,136.20

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Solution

The fourth proportional to 329,936.20, 494,688.30 and 130,136.20 is: 195,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,936.20 : 494,688.30 = 130,136.20 : x
  2. Step 2: Convert to fraction form
    329,936.20/494,688.30 = 130,136.20/x
  3. Step 3: Cross multiply
    329,936.20x = 494,688.30 × 130,136.20
  4. Step 4: Simplify right side
    329,936.20x = 64,376,855,546.46
  5. Step 5: Solve for x
    x = 64,376,855,546.46/329,936.20
  6. Step 6: Final answer
    x = 195,119.10

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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.