Home / 268,997.36-371,213.56-148,136.07

Finding the Fourth Proportional to 268,997.36, 371,213.56 and 148,136.07

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Solution

The fourth proportional to 268,997.36, 371,213.56 and 148,136.07 is: 204,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,997.36 : 371,213.56 = 148,136.07 : x
  2. Step 2: Convert to fraction form
    268,997.36/371,213.56 = 148,136.07/x
  3. Step 3: Cross multiply
    268,997.36x = 371,213.56 × 148,136.07
  4. Step 4: Simplify right side
    268,997.36x = 54,990,115,937.58
  5. Step 5: Solve for x
    x = 54,990,115,937.58/268,997.36
  6. Step 6: Final answer
    x = 204,426.23

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1.5x scale

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.