Home / 149,579.80-206,496.30-115,511.81

Finding the Fourth Proportional to 149,579.80, 206,496.30 and 115,511.81

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Solution

The fourth proportional to 149,579.80, 206,496.30 and 115,511.81 is: 159,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,579.80 : 206,496.30 = 115,511.81 : x
  2. Step 2: Convert to fraction form
    149,579.80/206,496.30 = 115,511.81/x
  3. Step 3: Cross multiply
    149,579.80x = 206,496.30 × 115,511.81
  4. Step 4: Simplify right side
    149,579.80x = 23,852,760,771.99
  5. Step 5: Solve for x
    x = 23,852,760,771.99/149,579.80
  6. Step 6: Final answer
    x = 159,465.12

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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.