Home / 139,926.56-209,827.92-40,064

Finding the Fourth Proportional to 139,926.56, 209,827.92 and 40,064

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Solution

The fourth proportional to 139,926.56, 209,827.92 and 40,064 is: 60,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,926.56 : 209,827.92 = 40,064 : x
  2. Step 2: Convert to fraction form
    139,926.56/209,827.92 = 40,064/x
  3. Step 3: Cross multiply
    139,926.56x = 209,827.92 × 40,064
  4. Step 4: Simplify right side
    139,926.56x = 8,406,545,786.88
  5. Step 5: Solve for x
    x = 8,406,545,786.88/139,926.56
  6. Step 6: Final answer
    x = 60,078.27

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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.