Home / 119,175.37-178,763.06-30,425.70

Finding the Fourth Proportional to 119,175.37, 178,763.06 and 30,425.70

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Solution

The fourth proportional to 119,175.37, 178,763.06 and 30,425.70 is: 45,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.37 : 178,763.06 = 30,425.70 : x
  2. Step 2: Convert to fraction form
    119,175.37/178,763.06 = 30,425.70/x
  3. Step 3: Cross multiply
    119,175.37x = 178,763.06 × 30,425.70
  4. Step 4: Simplify right side
    119,175.37x = 5,438,991,234.64
  5. Step 5: Solve for x
    x = 5,438,991,234.64/119,175.37
  6. Step 6: Final answer
    x = 45,638.55

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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.