Home / 149,495.74-206,354.11-89,085.33

Finding the Fourth Proportional to 149,495.74, 206,354.11 and 89,085.33

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Solution

The fourth proportional to 149,495.74, 206,354.11 and 89,085.33 is: 122,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.74 : 206,354.11 = 89,085.33 : x
  2. Step 2: Convert to fraction form
    149,495.74/206,354.11 = 89,085.33/x
  3. Step 3: Cross multiply
    149,495.74x = 206,354.11 × 89,085.33
  4. Step 4: Simplify right side
    149,495.74x = 18,383,123,763.49
  5. Step 5: Solve for x
    x = 18,383,123,763.49/149,495.74
  6. Step 6: Final answer
    x = 122,967.54

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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.