Home / 187,286.37-258,525.47-122,759.76

Finding the Fourth Proportional to 187,286.37, 258,525.47 and 122,759.76

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Solution

The fourth proportional to 187,286.37, 258,525.47 and 122,759.76 is: 169,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,286.37 : 258,525.47 = 122,759.76 : x
  2. Step 2: Convert to fraction form
    187,286.37/258,525.47 = 122,759.76/x
  3. Step 3: Cross multiply
    187,286.37x = 258,525.47 × 122,759.76
  4. Step 4: Simplify right side
    187,286.37x = 31,736,524,651.09
  5. Step 5: Solve for x
    x = 31,736,524,651.09/187,286.37
  6. Step 6: Final answer
    x = 169,454.54

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1.5x scale

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.