Home / 120,276.96-180,358.56-36,004.64

Finding the Fourth Proportional to 120,276.96, 180,358.56 and 36,004.64

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Solution

The fourth proportional to 120,276.96, 180,358.56 and 36,004.64 is: 53,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,276.96 : 180,358.56 = 36,004.64 : x
  2. Step 2: Convert to fraction form
    120,276.96/180,358.56 = 36,004.64/x
  3. Step 3: Cross multiply
    120,276.96x = 180,358.56 × 36,004.64
  4. Step 4: Simplify right side
    120,276.96x = 6,493,745,023.72
  5. Step 5: Solve for x
    x = 6,493,745,023.72/120,276.96
  6. Step 6: Final answer
    x = 53,989.93

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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.