Home / 120,273.12-180,253.52-49,112.44

Finding the Fourth Proportional to 120,273.12, 180,253.52 and 49,112.44

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Solution

The fourth proportional to 120,273.12, 180,253.52 and 49,112.44 is: 73,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.12 : 180,253.52 = 49,112.44 : x
  2. Step 2: Convert to fraction form
    120,273.12/180,253.52 = 49,112.44/x
  3. Step 3: Cross multiply
    120,273.12x = 180,253.52 × 49,112.44
  4. Step 4: Simplify right side
    120,273.12x = 8,852,690,185.79
  5. Step 5: Solve for x
    x = 8,852,690,185.79/120,273.12
  6. Step 6: Final answer
    x = 73,604.89

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1.5x scale

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.