Home / 105,351.75-145,388.06-63,959.25

Finding the Fourth Proportional to 105,351.75, 145,388.06 and 63,959.25

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Solution

The fourth proportional to 105,351.75, 145,388.06 and 63,959.25 is: 88,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,351.75 : 145,388.06 = 63,959.25 : x
  2. Step 2: Convert to fraction form
    105,351.75/145,388.06 = 63,959.25/x
  3. Step 3: Cross multiply
    105,351.75x = 145,388.06 × 63,959.25
  4. Step 4: Simplify right side
    105,351.75x = 9,298,910,956.76
  5. Step 5: Solve for x
    x = 9,298,910,956.76/105,351.75
  6. Step 6: Final answer
    x = 88,265.37

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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.