Home / 178,427.08-246,189.49-101,921.72

Finding the Fourth Proportional to 178,427.08, 246,189.49 and 101,921.72

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Solution

The fourth proportional to 178,427.08, 246,189.49 and 101,921.72 is: 140,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,427.08 : 246,189.49 = 101,921.72 : x
  2. Step 2: Convert to fraction form
    178,427.08/246,189.49 = 101,921.72/x
  3. Step 3: Cross multiply
    178,427.08x = 246,189.49 × 101,921.72
  4. Step 4: Simplify right side
    178,427.08x = 25,092,056,452.44
  5. Step 5: Solve for x
    x = 25,092,056,452.44/178,427.08
  6. Step 6: Final answer
    x = 140,629.19

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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.