Home / 149,039.06-205,533.31-97,961.54

Finding the Fourth Proportional to 149,039.06, 205,533.31 and 97,961.54

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Solution

The fourth proportional to 149,039.06, 205,533.31 and 97,961.54 is: 135,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,039.06 : 205,533.31 = 97,961.54 : x
  2. Step 2: Convert to fraction form
    149,039.06/205,533.31 = 97,961.54/x
  3. Step 3: Cross multiply
    149,039.06x = 205,533.31 × 97,961.54
  4. Step 4: Simplify right side
    149,039.06x = 20,134,359,568.90
  5. Step 5: Solve for x
    x = 20,134,359,568.90/149,039.06
  6. Step 6: Final answer
    x = 135,094.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.