Home / 139,337.28-209,024.10-50,577.84

Finding the Fourth Proportional to 139,337.28, 209,024.10 and 50,577.84

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Solution

The fourth proportional to 139,337.28, 209,024.10 and 50,577.84 is: 75,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,337.28 : 209,024.10 = 50,577.84 : x
  2. Step 2: Convert to fraction form
    139,337.28/209,024.10 = 50,577.84/x
  3. Step 3: Cross multiply
    139,337.28x = 209,024.10 × 50,577.84
  4. Step 4: Simplify right side
    139,337.28x = 10,571,987,485.94
  5. Step 5: Solve for x
    x = 10,571,987,485.94/139,337.28
  6. Step 6: Final answer
    x = 75,873.36

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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.