Home / 139,282.63-209,006.96-50,543.06

Finding the Fourth Proportional to 139,282.63, 209,006.96 and 50,543.06

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Solution

The fourth proportional to 139,282.63, 209,006.96 and 50,543.06 is: 75,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,282.63 : 209,006.96 = 50,543.06 : x
  2. Step 2: Convert to fraction form
    139,282.63/209,006.96 = 50,543.06/x
  3. Step 3: Cross multiply
    139,282.63x = 209,006.96 × 50,543.06
  4. Step 4: Simplify right side
    139,282.63x = 10,563,850,021.95
  5. Step 5: Solve for x
    x = 10,563,850,021.95/139,282.63
  6. Step 6: Final answer
    x = 75,844.71

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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.