Home / 185,244.56-255,638.64-100,361.60

Finding the Fourth Proportional to 185,244.56, 255,638.64 and 100,361.60

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Solution

The fourth proportional to 185,244.56, 255,638.64 and 100,361.60 is: 138,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,244.56 : 255,638.64 = 100,361.60 : x
  2. Step 2: Convert to fraction form
    185,244.56/255,638.64 = 100,361.60/x
  3. Step 3: Cross multiply
    185,244.56x = 255,638.64 × 100,361.60
  4. Step 4: Simplify right side
    185,244.56x = 25,656,302,932.22
  5. Step 5: Solve for x
    x = 25,656,302,932.22/185,244.56
  6. Step 6: Final answer
    x = 138,499.63

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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.