Home / 139,559.26-209,366.57-39,723.38

Finding the Fourth Proportional to 139,559.26, 209,366.57 and 39,723.38

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Solution

The fourth proportional to 139,559.26, 209,366.57 and 39,723.38 is: 59,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,559.26 : 209,366.57 = 39,723.38 : x
  2. Step 2: Convert to fraction form
    139,559.26/209,366.57 = 39,723.38/x
  3. Step 3: Cross multiply
    139,559.26x = 209,366.57 × 39,723.38
  4. Step 4: Simplify right side
    139,559.26x = 8,316,747,819.41
  5. Step 5: Solve for x
    x = 8,316,747,819.41/139,559.26
  6. Step 6: Final answer
    x = 59,592.95

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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.