Home / 212,646.47-319,015.46-106,087.73

Finding the Fourth Proportional to 212,646.47, 319,015.46 and 106,087.73

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Solution

The fourth proportional to 212,646.47, 319,015.46 and 106,087.73 is: 159,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,646.47 : 319,015.46 = 106,087.73 : x
  2. Step 2: Convert to fraction form
    212,646.47/319,015.46 = 106,087.73/x
  3. Step 3: Cross multiply
    212,646.47x = 319,015.46 × 106,087.73
  4. Step 4: Simplify right side
    212,646.47x = 33,843,624,656.45
  5. Step 5: Solve for x
    x = 33,843,624,656.45/212,646.47
  6. Step 6: Final answer
    x = 159,154.42

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1.5x scale

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.