Home / 136,944.42-188,982-76,525.47

Finding the Fourth Proportional to 136,944.42, 188,982 and 76,525.47

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Solution

The fourth proportional to 136,944.42, 188,982 and 76,525.47 is: 105,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944.42 : 188,982 = 76,525.47 : x
  2. Step 2: Convert to fraction form
    136,944.42/188,982 = 76,525.47/x
  3. Step 3: Cross multiply
    136,944.42x = 188,982 × 76,525.47
  4. Step 4: Simplify right side
    136,944.42x = 14,461,936,371.54
  5. Step 5: Solve for x
    x = 14,461,936,371.54/136,944.42
  6. Step 6: Final answer
    x = 105,604.42

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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.