Home / 122,647.79-183,971.69-38,414.55

Finding the Fourth Proportional to 122,647.79, 183,971.69 and 38,414.55

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Solution

The fourth proportional to 122,647.79, 183,971.69 and 38,414.55 is: 57,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,647.79 : 183,971.69 = 38,414.55 : x
  2. Step 2: Convert to fraction form
    122,647.79/183,971.69 = 38,414.55/x
  3. Step 3: Cross multiply
    122,647.79x = 183,971.69 × 38,414.55
  4. Step 4: Simplify right side
    122,647.79x = 7,067,189,684.09
  5. Step 5: Solve for x
    x = 7,067,189,684.09/122,647.79
  6. Step 6: Final answer
    x = 57,621.83

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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.