Home / 149,733.36-206,632.08-82,665.36

Finding the Fourth Proportional to 149,733.36, 206,632.08 and 82,665.36

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Solution

The fourth proportional to 149,733.36, 206,632.08 and 82,665.36 is: 114,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,733.36 : 206,632.08 = 82,665.36 : x
  2. Step 2: Convert to fraction form
    149,733.36/206,632.08 = 82,665.36/x
  3. Step 3: Cross multiply
    149,733.36x = 206,632.08 × 82,665.36
  4. Step 4: Simplify right side
    149,733.36x = 17,081,315,280.75
  5. Step 5: Solve for x
    x = 17,081,315,280.75/149,733.36
  6. Step 6: Final answer
    x = 114,078.22

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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.