Home / 212,837.04-319,255.56-55,081.44

Finding the Fourth Proportional to 212,837.04, 319,255.56 and 55,081.44

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Solution

The fourth proportional to 212,837.04, 319,255.56 and 55,081.44 is: 82,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,837.04 : 319,255.56 = 55,081.44 : x
  2. Step 2: Convert to fraction form
    212,837.04/319,255.56 = 55,081.44/x
  3. Step 3: Cross multiply
    212,837.04x = 319,255.56 × 55,081.44
  4. Step 4: Simplify right side
    212,837.04x = 17,585,055,972.81
  5. Step 5: Solve for x
    x = 17,585,055,972.81/212,837.04
  6. Step 6: Final answer
    x = 82,622.16

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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.