Home / 119,166.06-178,748.94-30,419.58

Finding the Fourth Proportional to 119,166.06, 178,748.94 and 30,419.58

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Solution

The fourth proportional to 119,166.06, 178,748.94 and 30,419.58 is: 45,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,166.06 : 178,748.94 = 30,419.58 : x
  2. Step 2: Convert to fraction form
    119,166.06/178,748.94 = 30,419.58/x
  3. Step 3: Cross multiply
    119,166.06x = 178,748.94 × 30,419.58
  4. Step 4: Simplify right side
    119,166.06x = 5,437,467,680.25
  5. Step 5: Solve for x
    x = 5,437,467,680.25/119,166.06
  6. Step 6: Final answer
    x = 45,629.33

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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.