Home / 161,485.40-242,264.97-49,181.54

Finding the Fourth Proportional to 161,485.40, 242,264.97 and 49,181.54

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Solution

The fourth proportional to 161,485.40, 242,264.97 and 49,181.54 is: 73,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,485.40 : 242,264.97 = 49,181.54 : x
  2. Step 2: Convert to fraction form
    161,485.40/242,264.97 = 49,181.54/x
  3. Step 3: Cross multiply
    161,485.40x = 242,264.97 × 49,181.54
  4. Step 4: Simplify right side
    161,485.40x = 11,914,963,101.33
  5. Step 5: Solve for x
    x = 11,914,963,101.33/161,485.40
  6. Step 6: Final answer
    x = 73,783.53

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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.