Home / 120,268.84-180,607.38-104,493.28

Finding the Fourth Proportional to 120,268.84, 180,607.38 and 104,493.28

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Solution

The fourth proportional to 120,268.84, 180,607.38 and 104,493.28 is: 156,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,268.84 : 180,607.38 = 104,493.28 : x
  2. Step 2: Convert to fraction form
    120,268.84/180,607.38 = 104,493.28/x
  3. Step 3: Cross multiply
    120,268.84x = 180,607.38 × 104,493.28
  4. Step 4: Simplify right side
    120,268.84x = 18,872,257,528.41
  5. Step 5: Solve for x
    x = 18,872,257,528.41/120,268.84
  6. Step 6: Final answer
    x = 156,917.27

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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.