Home / 136,756.54-188,548.59-112,136.64

Finding the Fourth Proportional to 136,756.54, 188,548.59 and 112,136.64

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Solution

The fourth proportional to 136,756.54, 188,548.59 and 112,136.64 is: 154,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,756.54 : 188,548.59 = 112,136.64 : x
  2. Step 2: Convert to fraction form
    136,756.54/188,548.59 = 112,136.64/x
  3. Step 3: Cross multiply
    136,756.54x = 188,548.59 × 112,136.64
  4. Step 4: Simplify right side
    136,756.54x = 21,143,204,126.64
  5. Step 5: Solve for x
    x = 21,143,204,126.64/136,756.54
  6. Step 6: Final answer
    x = 154,604.71

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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.