Home / 120,698.10-181,133.55-50,627.70

Finding the Fourth Proportional to 120,698.10, 181,133.55 and 50,627.70

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Solution

The fourth proportional to 120,698.10, 181,133.55 and 50,627.70 is: 75,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,698.10 : 181,133.55 = 50,627.70 : x
  2. Step 2: Convert to fraction form
    120,698.10/181,133.55 = 50,627.70/x
  3. Step 3: Cross multiply
    120,698.10x = 181,133.55 × 50,627.70
  4. Step 4: Simplify right side
    120,698.10x = 9,170,375,029.34
  5. Step 5: Solve for x
    x = 9,170,375,029.34/120,698.10
  6. Step 6: Final answer
    x = 75,977.79

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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.