Home / 149,495.24-206,293.62-82,427.72

Finding the Fourth Proportional to 149,495.24, 206,293.62 and 82,427.72

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Solution

The fourth proportional to 149,495.24, 206,293.62 and 82,427.72 is: 113,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.24 : 206,293.62 = 82,427.72 : x
  2. Step 2: Convert to fraction form
    149,495.24/206,293.62 = 82,427.72/x
  3. Step 3: Cross multiply
    149,495.24x = 206,293.62 × 82,427.72
  4. Step 4: Simplify right side
    149,495.24x = 17,004,312,747.15
  5. Step 5: Solve for x
    x = 17,004,312,747.15/149,495.24
  6. Step 6: Final answer
    x = 113,744.84

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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.