Home / 105,378.54-158,179.22-102,998.82

Finding the Fourth Proportional to 105,378.54, 158,179.22 and 102,998.82

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Solution

The fourth proportional to 105,378.54, 158,179.22 and 102,998.82 is: 154,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,378.54 : 158,179.22 = 102,998.82 : x
  2. Step 2: Convert to fraction form
    105,378.54/158,179.22 = 102,998.82/x
  3. Step 3: Cross multiply
    105,378.54x = 158,179.22 × 102,998.82
  4. Step 4: Simplify right side
    105,378.54x = 16,292,273,008.52
  5. Step 5: Solve for x
    x = 16,292,273,008.52/105,378.54
  6. Step 6: Final answer
    x = 154,607.12

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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.