Home / 149,578.77-206,440.62-98,583.21

Finding the Fourth Proportional to 149,578.77, 206,440.62 and 98,583.21

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Solution

The fourth proportional to 149,578.77, 206,440.62 and 98,583.21 is: 136,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,578.77 : 206,440.62 = 98,583.21 : x
  2. Step 2: Convert to fraction form
    149,578.77/206,440.62 = 98,583.21/x
  3. Step 3: Cross multiply
    149,578.77x = 206,440.62 × 98,583.21
  4. Step 4: Simplify right side
    149,578.77x = 20,351,578,993.99
  5. Step 5: Solve for x
    x = 20,351,578,993.99/149,578.77
  6. Step 6: Final answer
    x = 136,059.27

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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.