Home / 139,839.12-209,677.68-95,519.43

Finding the Fourth Proportional to 139,839.12, 209,677.68 and 95,519.43

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Solution

The fourth proportional to 139,839.12, 209,677.68 and 95,519.43 is: 143,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,839.12 : 209,677.68 = 95,519.43 : x
  2. Step 2: Convert to fraction form
    139,839.12/209,677.68 = 95,519.43/x
  3. Step 3: Cross multiply
    139,839.12x = 209,677.68 × 95,519.43
  4. Step 4: Simplify right side
    139,839.12x = 20,028,292,477.32
  5. Step 5: Solve for x
    x = 20,028,292,477.32/139,839.12
  6. Step 6: Final answer
    x = 143,223.82

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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.