Home / 120,505.20-180,756.89-36,265.01

Finding the Fourth Proportional to 120,505.20, 180,756.89 and 36,265.01

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Solution

The fourth proportional to 120,505.20, 180,756.89 and 36,265.01 is: 54,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,505.20 : 180,756.89 = 36,265.01 : x
  2. Step 2: Convert to fraction form
    120,505.20/180,756.89 = 36,265.01/x
  3. Step 3: Cross multiply
    120,505.20x = 180,756.89 × 36,265.01
  4. Step 4: Simplify right side
    120,505.20x = 6,555,149,338.31
  5. Step 5: Solve for x
    x = 6,555,149,338.31/120,505.20
  6. Step 6: Final answer
    x = 54,397.23

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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.