Home / 230,973.12-318,621.60-145,942.56

Finding the Fourth Proportional to 230,973.12, 318,621.60 and 145,942.56

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Solution

The fourth proportional to 230,973.12, 318,621.60 and 145,942.56 is: 201,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,973.12 : 318,621.60 = 145,942.56 : x
  2. Step 2: Convert to fraction form
    230,973.12/318,621.60 = 145,942.56/x
  3. Step 3: Cross multiply
    230,973.12x = 318,621.60 × 145,942.56
  4. Step 4: Simplify right side
    230,973.12x = 46,500,451,975.30
  5. Step 5: Solve for x
    x = 46,500,451,975.30/230,973.12
  6. Step 6: Final answer
    x = 201,324.08

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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.