Home / 84,338.92-126,504.06-25,175.08

Finding the Fourth Proportional to 84,338.92, 126,504.06 and 25,175.08

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Solution

The fourth proportional to 84,338.92, 126,504.06 and 25,175.08 is: 37,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,338.92 : 126,504.06 = 25,175.08 : x
  2. Step 2: Convert to fraction form
    84,338.92/126,504.06 = 25,175.08/x
  3. Step 3: Cross multiply
    84,338.92x = 126,504.06 × 25,175.08
  4. Step 4: Simplify right side
    84,338.92x = 3,184,749,830.82
  5. Step 5: Solve for x
    x = 3,184,749,830.82/84,338.92
  6. Step 6: Final answer
    x = 37,761.33

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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.