Home / 147,631.14-221,481.81-47,791.35

Finding the Fourth Proportional to 147,631.14, 221,481.81 and 47,791.35

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Solution

The fourth proportional to 147,631.14, 221,481.81 and 47,791.35 is: 71,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631.14 : 221,481.81 = 47,791.35 : x
  2. Step 2: Convert to fraction form
    147,631.14/221,481.81 = 47,791.35/x
  3. Step 3: Cross multiply
    147,631.14x = 221,481.81 × 47,791.35
  4. Step 4: Simplify right side
    147,631.14x = 10,584,914,700.34
  5. Step 5: Solve for x
    x = 10,584,914,700.34/147,631.14
  6. Step 6: Final answer
    x = 71,698.39

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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.