Home / 137,289.36-206,004.66-103,998.36

Finding the Fourth Proportional to 137,289.36, 206,004.66 and 103,998.36

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Solution

The fourth proportional to 137,289.36, 206,004.66 and 103,998.36 is: 156,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,289.36 : 206,004.66 = 103,998.36 : x
  2. Step 2: Convert to fraction form
    137,289.36/206,004.66 = 103,998.36/x
  3. Step 3: Cross multiply
    137,289.36x = 206,004.66 × 103,998.36
  4. Step 4: Simplify right side
    137,289.36x = 21,424,146,792.36
  5. Step 5: Solve for x
    x = 21,424,146,792.36/137,289.36
  6. Step 6: Final answer
    x = 156,051.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.