Home / 139,526.80-209,163.62-50,717.58

Finding the Fourth Proportional to 139,526.80, 209,163.62 and 50,717.58

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Solution

The fourth proportional to 139,526.80, 209,163.62 and 50,717.58 is: 76,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,526.80 : 209,163.62 = 50,717.58 : x
  2. Step 2: Convert to fraction form
    139,526.80/209,163.62 = 50,717.58/x
  3. Step 3: Cross multiply
    139,526.80x = 209,163.62 × 50,717.58
  4. Step 4: Simplify right side
    139,526.80x = 10,608,272,630.44
  5. Step 5: Solve for x
    x = 10,608,272,630.44/139,526.80
  6. Step 6: Final answer
    x = 76,030.36

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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.