Home / 211,550.08-317,322.69-71,407.12

Finding the Fourth Proportional to 211,550.08, 317,322.69 and 71,407.12

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Solution

The fourth proportional to 211,550.08, 317,322.69 and 71,407.12 is: 107,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,550.08 : 317,322.69 = 71,407.12 : x
  2. Step 2: Convert to fraction form
    211,550.08/317,322.69 = 71,407.12/x
  3. Step 3: Cross multiply
    211,550.08x = 317,322.69 × 71,407.12
  4. Step 4: Simplify right side
    211,550.08x = 22,659,099,403.55
  5. Step 5: Solve for x
    x = 22,659,099,403.55/211,550.08
  6. Step 6: Final answer
    x = 107,109.86

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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.