Home / 149,008.05-205,707.29-114,940.06

Finding the Fourth Proportional to 149,008.05, 205,707.29 and 114,940.06

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Solution

The fourth proportional to 149,008.05, 205,707.29 and 114,940.06 is: 158,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,008.05 : 205,707.29 = 114,940.06 : x
  2. Step 2: Convert to fraction form
    149,008.05/205,707.29 = 114,940.06/x
  3. Step 3: Cross multiply
    149,008.05x = 205,707.29 × 114,940.06
  4. Step 4: Simplify right side
    149,008.05x = 23,644,008,028.12
  5. Step 5: Solve for x
    x = 23,644,008,028.12/149,008.05
  6. Step 6: Final answer
    x = 158,676.04

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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.