Home / 102,827.90-154,179.57-67,246.27

Finding the Fourth Proportional to 102,827.90, 154,179.57 and 67,246.27

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Solution

The fourth proportional to 102,827.90, 154,179.57 and 67,246.27 is: 100,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.90 : 154,179.57 = 67,246.27 : x
  2. Step 2: Convert to fraction form
    102,827.90/154,179.57 = 67,246.27/x
  3. Step 3: Cross multiply
    102,827.90x = 154,179.57 × 67,246.27
  4. Step 4: Simplify right side
    102,827.90x = 10,368,000,481.17
  5. Step 5: Solve for x
    x = 10,368,000,481.17/102,827.90
  6. Step 6: Final answer
    x = 100,828.67

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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.