Home / 139,984.66-209,933.85-40,118.08

Finding the Fourth Proportional to 139,984.66, 209,933.85 and 40,118.08

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Solution

The fourth proportional to 139,984.66, 209,933.85 and 40,118.08 is: 60,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,984.66 : 209,933.85 = 40,118.08 : x
  2. Step 2: Convert to fraction form
    139,984.66/209,933.85 = 40,118.08/x
  3. Step 3: Cross multiply
    139,984.66x = 209,933.85 × 40,118.08
  4. Step 4: Simplify right side
    139,984.66x = 8,422,142,989.01
  5. Step 5: Solve for x
    x = 8,422,142,989.01/139,984.66
  6. Step 6: Final answer
    x = 60,164.76

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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.