Home / 213,790.68-320,704.32-56,019.12

Finding the Fourth Proportional to 213,790.68, 320,704.32 and 56,019.12

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Solution

The fourth proportional to 213,790.68, 320,704.32 and 56,019.12 is: 84,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,790.68 : 320,704.32 = 56,019.12 : x
  2. Step 2: Convert to fraction form
    213,790.68/320,704.32 = 56,019.12/x
  3. Step 3: Cross multiply
    213,790.68x = 320,704.32 × 56,019.12
  4. Step 4: Simplify right side
    213,790.68x = 17,965,573,786.60
  5. Step 5: Solve for x
    x = 17,965,573,786.60/213,790.68
  6. Step 6: Final answer
    x = 84,033.48

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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.