Home / 120,779.10-181,161.09-36,539.10

Finding the Fourth Proportional to 120,779.10, 181,161.09 and 36,539.10

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Solution

The fourth proportional to 120,779.10, 181,161.09 and 36,539.10 is: 54,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,779.10 : 181,161.09 = 36,539.10 : x
  2. Step 2: Convert to fraction form
    120,779.10/181,161.09 = 36,539.10/x
  3. Step 3: Cross multiply
    120,779.10x = 181,161.09 × 36,539.10
  4. Step 4: Simplify right side
    120,779.10x = 6,619,463,183.62
  5. Step 5: Solve for x
    x = 6,619,463,183.62/120,779.10
  6. Step 6: Final answer
    x = 54,806.36

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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.