Home / 149,669.88-206,546.34-88,418.07

Finding the Fourth Proportional to 149,669.88, 206,546.34 and 88,418.07

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Solution

The fourth proportional to 149,669.88, 206,546.34 and 88,418.07 is: 122,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,669.88 : 206,546.34 = 88,418.07 : x
  2. Step 2: Convert to fraction form
    149,669.88/206,546.34 = 88,418.07/x
  3. Step 3: Cross multiply
    149,669.88x = 206,546.34 × 88,418.07
  4. Step 4: Simplify right side
    149,669.88x = 18,262,428,748.36
  5. Step 5: Solve for x
    x = 18,262,428,748.36/149,669.88
  6. Step 6: Final answer
    x = 122,018.06

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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.