Home / 147,995.25-221,974.43-87,240.39

Finding the Fourth Proportional to 147,995.25, 221,974.43 and 87,240.39

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Solution

The fourth proportional to 147,995.25, 221,974.43 and 87,240.39 is: 130,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,995.25 : 221,974.43 = 87,240.39 : x
  2. Step 2: Convert to fraction form
    147,995.25/221,974.43 = 87,240.39/x
  3. Step 3: Cross multiply
    147,995.25x = 221,974.43 × 87,240.39
  4. Step 4: Simplify right side
    147,995.25x = 19,365,135,823.23
  5. Step 5: Solve for x
    x = 19,365,135,823.23/147,995.25
  6. Step 6: Final answer
    x = 130,849.71

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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.