Home / 139,532.91-209,355.35-50,792.55

Finding the Fourth Proportional to 139,532.91, 209,355.35 and 50,792.55

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Solution

The fourth proportional to 139,532.91, 209,355.35 and 50,792.55 is: 76,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,532.91 : 209,355.35 = 50,792.55 : x
  2. Step 2: Convert to fraction form
    139,532.91/209,355.35 = 50,792.55/x
  3. Step 3: Cross multiply
    139,532.91x = 209,355.35 × 50,792.55
  4. Step 4: Simplify right side
    139,532.91x = 10,633,691,828.68
  5. Step 5: Solve for x
    x = 10,633,691,828.68/139,532.91
  6. Step 6: Final answer
    x = 76,209.20

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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.