Home / 100,324.53-138,452.22-60,030.57

Finding the Fourth Proportional to 100,324.53, 138,452.22 and 60,030.57

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Solution

The fourth proportional to 100,324.53, 138,452.22 and 60,030.57 is: 82,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,324.53 : 138,452.22 = 60,030.57 : x
  2. Step 2: Convert to fraction form
    100,324.53/138,452.22 = 60,030.57/x
  3. Step 3: Cross multiply
    100,324.53x = 138,452.22 × 60,030.57
  4. Step 4: Simplify right side
    100,324.53x = 8,311,365,684.37
  5. Step 5: Solve for x
    x = 8,311,365,684.37/100,324.53
  6. Step 6: Final answer
    x = 82,844.80

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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.