Home / 204,159.88-306,040.22-91,868.37

Finding the Fourth Proportional to 204,159.88, 306,040.22 and 91,868.37

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Solution

The fourth proportional to 204,159.88, 306,040.22 and 91,868.37 is: 137,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,159.88 : 306,040.22 = 91,868.37 : x
  2. Step 2: Convert to fraction form
    204,159.88/306,040.22 = 91,868.37/x
  3. Step 3: Cross multiply
    204,159.88x = 306,040.22 × 91,868.37
  4. Step 4: Simplify right side
    204,159.88x = 28,115,416,165.84
  5. Step 5: Solve for x
    x = 28,115,416,165.84/204,159.88
  6. Step 6: Final answer
    x = 137,712.74

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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.