Home / 211,525.20-317,185.71-122,801.04

Finding the Fourth Proportional to 211,525.20, 317,185.71 and 122,801.04

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Solution

The fourth proportional to 211,525.20, 317,185.71 and 122,801.04 is: 184,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.20 : 317,185.71 = 122,801.04 : x
  2. Step 2: Convert to fraction form
    211,525.20/317,185.71 = 122,801.04/x
  3. Step 3: Cross multiply
    211,525.20x = 317,185.71 × 122,801.04
  4. Step 4: Simplify right side
    211,525.20x = 38,950,735,061.14
  5. Step 5: Solve for x
    x = 38,950,735,061.14/211,525.20
  6. Step 6: Final answer
    x = 184,142.29

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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.