Home / 211,486.41-317,102.90-67,329.93

Finding the Fourth Proportional to 211,486.41, 317,102.90 and 67,329.93

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Solution

The fourth proportional to 211,486.41, 317,102.90 and 67,329.93 is: 100,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,486.41 : 317,102.90 = 67,329.93 : x
  2. Step 2: Convert to fraction form
    211,486.41/317,102.90 = 67,329.93/x
  3. Step 3: Cross multiply
    211,486.41x = 317,102.90 × 67,329.93
  4. Step 4: Simplify right side
    211,486.41x = 21,350,515,723.15
  5. Step 5: Solve for x
    x = 21,350,515,723.15/211,486.41
  6. Step 6: Final answer
    x = 100,954.55

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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.