Home / 183,384.56-275,171.60-78,175.28

Finding the Fourth Proportional to 183,384.56, 275,171.60 and 78,175.28

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Solution

The fourth proportional to 183,384.56, 275,171.60 and 78,175.28 is: 117,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,384.56 : 275,171.60 = 78,175.28 : x
  2. Step 2: Convert to fraction form
    183,384.56/275,171.60 = 78,175.28/x
  3. Step 3: Cross multiply
    183,384.56x = 275,171.60 × 78,175.28
  4. Step 4: Simplify right side
    183,384.56x = 21,511,616,878.05
  5. Step 5: Solve for x
    x = 21,511,616,878.05/183,384.56
  6. Step 6: Final answer
    x = 117,303.32

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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.