Home / 100,868.69-139,199.19-60,583.14

Finding the Fourth Proportional to 100,868.69, 139,199.19 and 60,583.14

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Solution

The fourth proportional to 100,868.69, 139,199.19 and 60,583.14 is: 83,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,868.69 : 139,199.19 = 60,583.14 : x
  2. Step 2: Convert to fraction form
    100,868.69/139,199.19 = 60,583.14/x
  3. Step 3: Cross multiply
    100,868.69x = 139,199.19 × 60,583.14
  4. Step 4: Simplify right side
    100,868.69x = 8,433,124,015.66
  5. Step 5: Solve for x
    x = 8,433,124,015.66/100,868.69
  6. Step 6: Final answer
    x = 83,604.97

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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.