Home / 211,519.25-317,361.95-93,107.58

Finding the Fourth Proportional to 211,519.25, 317,361.95 and 93,107.58

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Solution

The fourth proportional to 211,519.25, 317,361.95 and 93,107.58 is: 139,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,519.25 : 317,361.95 = 93,107.58 : x
  2. Step 2: Convert to fraction form
    211,519.25/317,361.95 = 93,107.58/x
  3. Step 3: Cross multiply
    211,519.25x = 317,361.95 × 93,107.58
  4. Step 4: Simplify right side
    211,519.25x = 29,548,801,842.09
  5. Step 5: Solve for x
    x = 29,548,801,842.09/211,519.25
  6. Step 6: Final answer
    x = 139,697.93

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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.