Home / 104,982.99-144,878.54-57,238.35

Finding the Fourth Proportional to 104,982.99, 144,878.54 and 57,238.35

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Solution

The fourth proportional to 104,982.99, 144,878.54 and 57,238.35 is: 78,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.99 : 144,878.54 = 57,238.35 : x
  2. Step 2: Convert to fraction form
    104,982.99/144,878.54 = 57,238.35/x
  3. Step 3: Cross multiply
    104,982.99x = 144,878.54 × 57,238.35
  4. Step 4: Simplify right side
    104,982.99x = 8,292,608,293.82
  5. Step 5: Solve for x
    x = 8,292,608,293.82/104,982.99
  6. Step 6: Final answer
    x = 78,990.02

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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.