Home / 119,917.05-179,780.69-45,028.86

Finding the Fourth Proportional to 119,917.05, 179,780.69 and 45,028.86

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Solution

The fourth proportional to 119,917.05, 179,780.69 and 45,028.86 is: 67,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.05 : 179,780.69 = 45,028.86 : x
  2. Step 2: Convert to fraction form
    119,917.05/179,780.69 = 45,028.86/x
  3. Step 3: Cross multiply
    119,917.05x = 179,780.69 × 45,028.86
  4. Step 4: Simplify right side
    119,917.05x = 8,095,318,621.39
  5. Step 5: Solve for x
    x = 8,095,318,621.39/119,917.05
  6. Step 6: Final answer
    x = 67,507.65

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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.