Home / 137,003.43-189,063.95-76,573.97

Finding the Fourth Proportional to 137,003.43, 189,063.95 and 76,573.97

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Solution

The fourth proportional to 137,003.43, 189,063.95 and 76,573.97 is: 105,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,003.43 : 189,063.95 = 76,573.97 : x
  2. Step 2: Convert to fraction form
    137,003.43/189,063.95 = 76,573.97/x
  3. Step 3: Cross multiply
    137,003.43x = 189,063.95 × 76,573.97
  4. Step 4: Simplify right side
    137,003.43x = 14,477,375,907.19
  5. Step 5: Solve for x
    x = 14,477,375,907.19/137,003.43
  6. Step 6: Final answer
    x = 105,671.63

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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.