Home / 226,173.28-312,175.20-130,739.44

Finding the Fourth Proportional to 226,173.28, 312,175.20 and 130,739.44

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Solution

The fourth proportional to 226,173.28, 312,175.20 and 130,739.44 is: 180,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,173.28 : 312,175.20 = 130,739.44 : x
  2. Step 2: Convert to fraction form
    226,173.28/312,175.20 = 130,739.44/x
  3. Step 3: Cross multiply
    226,173.28x = 312,175.20 × 130,739.44
  4. Step 4: Simplify right side
    226,173.28x = 40,813,610,829.89
  5. Step 5: Solve for x
    x = 40,813,610,829.89/226,173.28
  6. Step 6: Final answer
    x = 180,452.84

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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.