Home / 212,044.52-318,066.57-54,272.72

Finding the Fourth Proportional to 212,044.52, 318,066.57 and 54,272.72

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Solution

The fourth proportional to 212,044.52, 318,066.57 and 54,272.72 is: 81,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,044.52 : 318,066.57 = 54,272.72 : x
  2. Step 2: Convert to fraction form
    212,044.52/318,066.57 = 54,272.72/x
  3. Step 3: Cross multiply
    212,044.52x = 318,066.57 × 54,272.72
  4. Step 4: Simplify right side
    212,044.52x = 17,262,336,304.64
  5. Step 5: Solve for x
    x = 17,262,336,304.64/212,044.52
  6. Step 6: Final answer
    x = 81,409.02

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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.