Home / 205,313.77-307,876.83-63,109.54

Finding the Fourth Proportional to 205,313.77, 307,876.83 and 63,109.54

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Solution

The fourth proportional to 205,313.77, 307,876.83 and 63,109.54 is: 94,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,313.77 : 307,876.83 = 63,109.54 : x
  2. Step 2: Convert to fraction form
    205,313.77/307,876.83 = 63,109.54/x
  3. Step 3: Cross multiply
    205,313.77x = 307,876.83 × 63,109.54
  4. Step 4: Simplify right side
    205,313.77x = 19,429,965,117.96
  5. Step 5: Solve for x
    x = 19,429,965,117.96/205,313.77
  6. Step 6: Final answer
    x = 94,635.47

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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.