Home / 211,835.56-317,884.62-123,130.84

Finding the Fourth Proportional to 211,835.56, 317,884.62 and 123,130.84

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Solution

The fourth proportional to 211,835.56, 317,884.62 and 123,130.84 is: 184,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,835.56 : 317,884.62 = 123,130.84 : x
  2. Step 2: Convert to fraction form
    211,835.56/317,884.62 = 123,130.84/x
  3. Step 3: Cross multiply
    211,835.56x = 317,884.62 × 123,130.84
  4. Step 4: Simplify right side
    211,835.56x = 39,141,400,283.68
  5. Step 5: Solve for x
    x = 39,141,400,283.68/211,835.56
  6. Step 6: Final answer
    x = 184,772.57

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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.