Home / 149,586.30-206,505.24-115,518.31

Finding the Fourth Proportional to 149,586.30, 206,505.24 and 115,518.31

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Solution

The fourth proportional to 149,586.30, 206,505.24 and 115,518.31 is: 159,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,586.30 : 206,505.24 = 115,518.31 : x
  2. Step 2: Convert to fraction form
    149,586.30/206,505.24 = 115,518.31/x
  3. Step 3: Cross multiply
    149,586.30x = 206,505.24 × 115,518.31
  4. Step 4: Simplify right side
    149,586.30x = 23,855,136,330.94
  5. Step 5: Solve for x
    x = 23,855,136,330.94/149,586.30
  6. Step 6: Final answer
    x = 159,474.07

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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.