Home / 106,288.20-158,479.13-102,446.37

Finding the Fourth Proportional to 106,288.20, 158,479.13 and 102,446.37

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Solution

The fourth proportional to 106,288.20, 158,479.13 and 102,446.37 is: 152,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,288.20 : 158,479.13 = 102,446.37 : x
  2. Step 2: Convert to fraction form
    106,288.20/158,479.13 = 102,446.37/x
  3. Step 3: Cross multiply
    106,288.20x = 158,479.13 × 102,446.37
  4. Step 4: Simplify right side
    106,288.20x = 16,235,611,845.37
  5. Step 5: Solve for x
    x = 16,235,611,845.37/106,288.20
  6. Step 6: Final answer
    x = 152,750.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.