Home / 211,415.20-317,169.45-61,667.21

Finding the Fourth Proportional to 211,415.20, 317,169.45 and 61,667.21

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Solution

The fourth proportional to 211,415.20, 317,169.45 and 61,667.21 is: 92,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,415.20 : 317,169.45 = 61,667.21 : x
  2. Step 2: Convert to fraction form
    211,415.20/317,169.45 = 61,667.21/x
  3. Step 3: Cross multiply
    211,415.20x = 317,169.45 × 61,667.21
  4. Step 4: Simplify right side
    211,415.20x = 19,558,955,078.73
  5. Step 5: Solve for x
    x = 19,558,955,078.73/211,415.20
  6. Step 6: Final answer
    x = 92,514.42

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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.