Home / 139,840.25-209,679.37-95,520.56

Finding the Fourth Proportional to 139,840.25, 209,679.37 and 95,520.56

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Solution

The fourth proportional to 139,840.25, 209,679.37 and 95,520.56 is: 143,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,840.25 : 209,679.37 = 95,520.56 : x
  2. Step 2: Convert to fraction form
    139,840.25/209,679.37 = 95,520.56/x
  3. Step 3: Cross multiply
    139,840.25x = 209,679.37 × 95,520.56
  4. Step 4: Simplify right side
    139,840.25x = 20,028,689,555.65
  5. Step 5: Solve for x
    x = 20,028,689,555.65/139,840.25
  6. Step 6: Final answer
    x = 143,225.50

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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.