Home / 148,669.91-205,164.39-84,137.97

Finding the Fourth Proportional to 148,669.91, 205,164.39 and 84,137.97

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Solution

The fourth proportional to 148,669.91, 205,164.39 and 84,137.97 is: 116,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,669.91 : 205,164.39 = 84,137.97 : x
  2. Step 2: Convert to fraction form
    148,669.91/205,164.39 = 84,137.97/x
  3. Step 3: Cross multiply
    148,669.91x = 205,164.39 × 84,137.97
  4. Step 4: Simplify right side
    148,669.91x = 17,262,115,290.89
  5. Step 5: Solve for x
    x = 17,262,115,290.89/148,669.91
  6. Step 6: Final answer
    x = 116,110.35

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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.