Home / 179,135.10-247,241.79-102,705.54

Finding the Fourth Proportional to 179,135.10, 247,241.79 and 102,705.54

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Solution

The fourth proportional to 179,135.10, 247,241.79 and 102,705.54 is: 141,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,135.10 : 247,241.79 = 102,705.54 : x
  2. Step 2: Convert to fraction form
    179,135.10/247,241.79 = 102,705.54/x
  3. Step 3: Cross multiply
    179,135.10x = 247,241.79 × 102,705.54
  4. Step 4: Simplify right side
    179,135.10x = 25,393,101,552.52
  5. Step 5: Solve for x
    x = 25,393,101,552.52/179,135.10
  6. Step 6: Final answer
    x = 141,753.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.