Home / 211,669.71-317,559.89-122,837.82

Finding the Fourth Proportional to 211,669.71, 317,559.89 and 122,837.82

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Solution

The fourth proportional to 211,669.71, 317,559.89 and 122,837.82 is: 184,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,669.71 : 317,559.89 = 122,837.82 : x
  2. Step 2: Convert to fraction form
    211,669.71/317,559.89 = 122,837.82/x
  3. Step 3: Cross multiply
    211,669.71x = 317,559.89 × 122,837.82
  4. Step 4: Simplify right side
    211,669.71x = 39,008,363,723.28
  5. Step 5: Solve for x
    x = 39,008,363,723.28/211,669.71
  6. Step 6: Final answer
    x = 184,288.84

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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.