Home / 154,136.20-231,204.30-112,664.20

Finding the Fourth Proportional to 154,136.20, 231,204.30 and 112,664.20

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Solution

The fourth proportional to 154,136.20, 231,204.30 and 112,664.20 is: 168,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.20 : 231,204.30 = 112,664.20 : x
  2. Step 2: Convert to fraction form
    154,136.20/231,204.30 = 112,664.20/x
  3. Step 3: Cross multiply
    154,136.20x = 231,204.30 × 112,664.20
  4. Step 4: Simplify right side
    154,136.20x = 26,048,447,496.06
  5. Step 5: Solve for x
    x = 26,048,447,496.06/154,136.20
  6. Step 6: Final answer
    x = 168,996.30

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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.