Home / 149,584.30-206,502.48-115,516.31

Finding the Fourth Proportional to 149,584.30, 206,502.48 and 115,516.31

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Solution

The fourth proportional to 149,584.30, 206,502.48 and 115,516.31 is: 159,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,584.30 : 206,502.48 = 115,516.31 : x
  2. Step 2: Convert to fraction form
    149,584.30/206,502.48 = 115,516.31/x
  3. Step 3: Cross multiply
    149,584.30x = 206,502.48 × 115,516.31
  4. Step 4: Simplify right side
    149,584.30x = 23,854,403,462.94
  5. Step 5: Solve for x
    x = 23,854,403,462.94/149,584.30
  6. Step 6: Final answer
    x = 159,471.31

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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.