Home / 102,928.20-154,392.30-95,929.80

Finding the Fourth Proportional to 102,928.20, 154,392.30 and 95,929.80

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Solution

The fourth proportional to 102,928.20, 154,392.30 and 95,929.80 is: 143,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,928.20 : 154,392.30 = 95,929.80 : x
  2. Step 2: Convert to fraction form
    102,928.20/154,392.30 = 95,929.80/x
  3. Step 3: Cross multiply
    102,928.20x = 154,392.30 × 95,929.80
  4. Step 4: Simplify right side
    102,928.20x = 14,810,822,460.54
  5. Step 5: Solve for x
    x = 14,810,822,460.54/102,928.20
  6. Step 6: Final answer
    x = 143,894.70

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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.