Home / 205,017.96-307,258.57-110,137.25

Finding the Fourth Proportional to 205,017.96, 307,258.57 and 110,137.25

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Solution

The fourth proportional to 205,017.96, 307,258.57 and 110,137.25 is: 165,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,017.96 : 307,258.57 = 110,137.25 : x
  2. Step 2: Convert to fraction form
    205,017.96/307,258.57 = 110,137.25/x
  3. Step 3: Cross multiply
    205,017.96x = 307,258.57 × 110,137.25
  4. Step 4: Simplify right side
    205,017.96x = 33,840,613,938.73
  5. Step 5: Solve for x
    x = 33,840,613,938.73/205,017.96
  6. Step 6: Final answer
    x = 165,061.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.