Home / 139,998.12-209,997.09-34,817.07

Finding the Fourth Proportional to 139,998.12, 209,997.09 and 34,817.07

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Solution

The fourth proportional to 139,998.12, 209,997.09 and 34,817.07 is: 52,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,998.12 : 209,997.09 = 34,817.07 : x
  2. Step 2: Convert to fraction form
    139,998.12/209,997.09 = 34,817.07/x
  3. Step 3: Cross multiply
    139,998.12x = 209,997.09 × 34,817.07
  4. Step 4: Simplify right side
    139,998.12x = 7,311,483,382.33
  5. Step 5: Solve for x
    x = 7,311,483,382.33/139,998.12
  6. Step 6: Final answer
    x = 52,225.58

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1.5x scale

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.