Home / 139,828.87-209,662.31-95,509.18

Finding the Fourth Proportional to 139,828.87, 209,662.31 and 95,509.18

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Solution

The fourth proportional to 139,828.87, 209,662.31 and 95,509.18 is: 143,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,828.87 : 209,662.31 = 95,509.18 : x
  2. Step 2: Convert to fraction form
    139,828.87/209,662.31 = 95,509.18/x
  3. Step 3: Cross multiply
    139,828.87x = 209,662.31 × 95,509.18
  4. Step 4: Simplify right side
    139,828.87x = 20,024,674,827.46
  5. Step 5: Solve for x
    x = 20,024,674,827.46/139,828.87
  6. Step 6: Final answer
    x = 143,208.44

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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.