Home / 212,860.64-319,366.56-94,521.44

Finding the Fourth Proportional to 212,860.64, 319,366.56 and 94,521.44

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Solution

The fourth proportional to 212,860.64, 319,366.56 and 94,521.44 is: 141,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,860.64 : 319,366.56 = 94,521.44 : x
  2. Step 2: Convert to fraction form
    212,860.64/319,366.56 = 94,521.44/x
  3. Step 3: Cross multiply
    212,860.64x = 319,366.56 × 94,521.44
  4. Step 4: Simplify right side
    212,860.64x = 30,186,987,139.05
  5. Step 5: Solve for x
    x = 30,186,987,139.05/212,860.64
  6. Step 6: Final answer
    x = 141,815.73

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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.