Home / 136,012.42-204,018.22-36,172.53

Finding the Fourth Proportional to 136,012.42, 204,018.22 and 36,172.53

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Solution

The fourth proportional to 136,012.42, 204,018.22 and 36,172.53 is: 54,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,012.42 : 204,018.22 = 36,172.53 : x
  2. Step 2: Convert to fraction form
    136,012.42/204,018.22 = 36,172.53/x
  3. Step 3: Cross multiply
    136,012.42x = 204,018.22 × 36,172.53
  4. Step 4: Simplify right side
    136,012.42x = 7,379,853,982.54
  5. Step 5: Solve for x
    x = 7,379,853,982.54/136,012.42
  6. Step 6: Final answer
    x = 54,258.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.