Home / 139,733.75-209,604.07-50,987.24

Finding the Fourth Proportional to 139,733.75, 209,604.07 and 50,987.24

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Solution

The fourth proportional to 139,733.75, 209,604.07 and 50,987.24 is: 76,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,733.75 : 209,604.07 = 50,987.24 : x
  2. Step 2: Convert to fraction form
    139,733.75/209,604.07 = 50,987.24/x
  3. Step 3: Cross multiply
    139,733.75x = 209,604.07 × 50,987.24
  4. Step 4: Simplify right side
    139,733.75x = 10,687,131,846.58
  5. Step 5: Solve for x
    x = 10,687,131,846.58/139,733.75
  6. Step 6: Final answer
    x = 76,482.11

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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.