Home / 281,101.44-421,738.88-112,621.44

Finding the Fourth Proportional to 281,101.44, 421,738.88 and 112,621.44

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Solution

The fourth proportional to 281,101.44, 421,738.88 and 112,621.44 is: 168,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,101.44 : 421,738.88 = 112,621.44 : x
  2. Step 2: Convert to fraction form
    281,101.44/421,738.88 = 112,621.44/x
  3. Step 3: Cross multiply
    281,101.44x = 421,738.88 × 112,621.44
  4. Step 4: Simplify right side
    281,101.44x = 47,496,839,969.59
  5. Step 5: Solve for x
    x = 47,496,839,969.59/281,101.44
  6. Step 6: Final answer
    x = 168,966.90

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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.