Home / 187,317.88-258,704.22-127,170.52

Finding the Fourth Proportional to 187,317.88, 258,704.22 and 127,170.52

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Solution

The fourth proportional to 187,317.88, 258,704.22 and 127,170.52 is: 175,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,317.88 : 258,704.22 = 127,170.52 : x
  2. Step 2: Convert to fraction form
    187,317.88/258,704.22 = 127,170.52/x
  3. Step 3: Cross multiply
    187,317.88x = 258,704.22 × 127,170.52
  4. Step 4: Simplify right side
    187,317.88x = 32,899,550,183.59
  5. Step 5: Solve for x
    x = 32,899,550,183.59/187,317.88
  6. Step 6: Final answer
    x = 175,634.86

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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.