Home / 120,161.75-180,350.96-64,048.59

Finding the Fourth Proportional to 120,161.75, 180,350.96 and 64,048.59

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Solution

The fourth proportional to 120,161.75, 180,350.96 and 64,048.59 is: 96,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,161.75 : 180,350.96 = 64,048.59 : x
  2. Step 2: Convert to fraction form
    120,161.75/180,350.96 = 64,048.59/x
  3. Step 3: Cross multiply
    120,161.75x = 180,350.96 × 64,048.59
  4. Step 4: Simplify right side
    120,161.75x = 11,551,224,372.90
  5. Step 5: Solve for x
    x = 11,551,224,372.90/120,161.75
  6. Step 6: Final answer
    x = 96,130.63

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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.