Home / 100,954.03-139,316.75-60,668.41

Finding the Fourth Proportional to 100,954.03, 139,316.75 and 60,668.41

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Solution

The fourth proportional to 100,954.03, 139,316.75 and 60,668.41 is: 83,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.03 : 139,316.75 = 60,668.41 : x
  2. Step 2: Convert to fraction form
    100,954.03/139,316.75 = 60,668.41/x
  3. Step 3: Cross multiply
    100,954.03x = 139,316.75 × 60,668.41
  4. Step 4: Simplify right side
    100,954.03x = 8,452,125,163.95
  5. Step 5: Solve for x
    x = 8,452,125,163.95/100,954.03
  6. Step 6: Final answer
    x = 83,722.52

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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.