Home / 212,464.89-293,167.49-121,804.61

Finding the Fourth Proportional to 212,464.89, 293,167.49 and 121,804.61

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Solution

The fourth proportional to 212,464.89, 293,167.49 and 121,804.61 is: 168,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,464.89 : 293,167.49 = 121,804.61 : x
  2. Step 2: Convert to fraction form
    212,464.89/293,167.49 = 121,804.61/x
  3. Step 3: Cross multiply
    212,464.89x = 293,167.49 × 121,804.61
  4. Step 4: Simplify right side
    212,464.89x = 35,709,149,709.27
  5. Step 5: Solve for x
    x = 35,709,149,709.27/212,464.89
  6. Step 6: Final answer
    x = 168,070.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.