Home / 147,784.58-221,708-47,936.96

Finding the Fourth Proportional to 147,784.58, 221,708 and 47,936.96

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Solution

The fourth proportional to 147,784.58, 221,708 and 47,936.96 is: 71,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.58 : 221,708 = 47,936.96 : x
  2. Step 2: Convert to fraction form
    147,784.58/221,708 = 47,936.96/x
  3. Step 3: Cross multiply
    147,784.58x = 221,708 × 47,936.96
  4. Step 4: Simplify right side
    147,784.58x = 10,628,007,527.68
  5. Step 5: Solve for x
    x = 10,628,007,527.68/147,784.58
  6. Step 6: Final answer
    x = 71,915.54

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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.