Home / 119,419.10-178,888.22-55,286.84

Finding the Fourth Proportional to 119,419.10, 178,888.22 and 55,286.84

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Solution

The fourth proportional to 119,419.10, 178,888.22 and 55,286.84 is: 82,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,419.10 : 178,888.22 = 55,286.84 : x
  2. Step 2: Convert to fraction form
    119,419.10/178,888.22 = 55,286.84/x
  3. Step 3: Cross multiply
    119,419.10x = 178,888.22 × 55,286.84
  4. Step 4: Simplify right side
    119,419.10x = 9,890,163,226.15
  5. Step 5: Solve for x
    x = 9,890,163,226.15/119,419.10
  6. Step 6: Final answer
    x = 82,818.94

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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.