Home / 101,055.33-139,466.21-75,517.35

Finding the Fourth Proportional to 101,055.33, 139,466.21 and 75,517.35

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Solution

The fourth proportional to 101,055.33, 139,466.21 and 75,517.35 is: 104,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,055.33 : 139,466.21 = 75,517.35 : x
  2. Step 2: Convert to fraction form
    101,055.33/139,466.21 = 75,517.35/x
  3. Step 3: Cross multiply
    101,055.33x = 139,466.21 × 75,517.35
  4. Step 4: Simplify right side
    101,055.33x = 10,532,118,593.74
  5. Step 5: Solve for x
    x = 10,532,118,593.74/101,055.33
  6. Step 6: Final answer
    x = 104,221.31

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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.