Home / 147,388.45-221,125.74-47,546.44

Finding the Fourth Proportional to 147,388.45, 221,125.74 and 47,546.44

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Solution

The fourth proportional to 147,388.45, 221,125.74 and 47,546.44 is: 71,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.45 : 221,125.74 = 47,546.44 : x
  2. Step 2: Convert to fraction form
    147,388.45/221,125.74 = 47,546.44/x
  3. Step 3: Cross multiply
    147,388.45x = 221,125.74 × 47,546.44
  4. Step 4: Simplify right side
    147,388.45x = 10,513,741,729.37
  5. Step 5: Solve for x
    x = 10,513,741,729.37/147,388.45
  6. Step 6: Final answer
    x = 71,333.55

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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.