Home / 139,217.44-208,779.36-50,452.36

Finding the Fourth Proportional to 139,217.44, 208,779.36 and 50,452.36

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Solution

The fourth proportional to 139,217.44, 208,779.36 and 50,452.36 is: 75,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,217.44 : 208,779.36 = 50,452.36 : x
  2. Step 2: Convert to fraction form
    139,217.44/208,779.36 = 50,452.36/x
  3. Step 3: Cross multiply
    139,217.44x = 208,779.36 × 50,452.36
  4. Step 4: Simplify right side
    139,217.44x = 10,533,411,431.29
  5. Step 5: Solve for x
    x = 10,533,411,431.29/139,217.44
  6. Step 6: Final answer
    x = 75,661.58

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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.