Home / 226,172.28-312,173.82-130,738.44

Finding the Fourth Proportional to 226,172.28, 312,173.82 and 130,738.44

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Solution

The fourth proportional to 226,172.28, 312,173.82 and 130,738.44 is: 180,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,172.28 : 312,173.82 = 130,738.44 : x
  2. Step 2: Convert to fraction form
    226,172.28/312,173.82 = 130,738.44/x
  3. Step 3: Cross multiply
    226,172.28x = 312,173.82 × 130,738.44
  4. Step 4: Simplify right side
    226,172.28x = 40,813,118,235.64
  5. Step 5: Solve for x
    x = 40,813,118,235.64/226,172.28
  6. Step 6: Final answer
    x = 180,451.46

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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.