Home / 120,394.31-180,603.39-44,512.75

Finding the Fourth Proportional to 120,394.31, 180,603.39 and 44,512.75

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Solution

The fourth proportional to 120,394.31, 180,603.39 and 44,512.75 is: 66,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,394.31 : 180,603.39 = 44,512.75 : x
  2. Step 2: Convert to fraction form
    120,394.31/180,603.39 = 44,512.75/x
  3. Step 3: Cross multiply
    120,394.31x = 180,603.39 × 44,512.75
  4. Step 4: Simplify right side
    120,394.31x = 8,039,153,096.71
  5. Step 5: Solve for x
    x = 8,039,153,096.71/120,394.31
  6. Step 6: Final answer
    x = 66,773.53

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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.