Home / 139,427.50-209,141.92-34,246.48

Finding the Fourth Proportional to 139,427.50, 209,141.92 and 34,246.48

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Solution

The fourth proportional to 139,427.50, 209,141.92 and 34,246.48 is: 51,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,427.50 : 209,141.92 = 34,246.48 : x
  2. Step 2: Convert to fraction form
    139,427.50/209,141.92 = 34,246.48/x
  3. Step 3: Cross multiply
    139,427.50x = 209,141.92 × 34,246.48
  4. Step 4: Simplify right side
    139,427.50x = 7,162,374,580.44
  5. Step 5: Solve for x
    x = 7,162,374,580.44/139,427.50
  6. Step 6: Final answer
    x = 51,369.88

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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.