Home / 119,811.20-179,716.80-36,705.20

Finding the Fourth Proportional to 119,811.20, 179,716.80 and 36,705.20

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Solution

The fourth proportional to 119,811.20, 179,716.80 and 36,705.20 is: 55,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.20 : 179,716.80 = 36,705.20 : x
  2. Step 2: Convert to fraction form
    119,811.20/179,716.80 = 36,705.20/x
  3. Step 3: Cross multiply
    119,811.20x = 179,716.80 × 36,705.20
  4. Step 4: Simplify right side
    119,811.20x = 6,596,541,087.36
  5. Step 5: Solve for x
    x = 6,596,541,087.36/119,811.20
  6. Step 6: Final answer
    x = 55,057.80

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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.