Home / 179,390-247,558.20-103,982.24

Finding the Fourth Proportional to 179,390, 247,558.20 and 103,982.24

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Solution

The fourth proportional to 179,390, 247,558.20 and 103,982.24 is: 143,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,390 : 247,558.20 = 103,982.24 : x
  2. Step 2: Convert to fraction form
    179,390/247,558.20 = 103,982.24/x
  3. Step 3: Cross multiply
    179,390x = 247,558.20 × 103,982.24
  4. Step 4: Simplify right side
    179,390x = 25,741,656,166.37
  5. Step 5: Solve for x
    x = 25,741,656,166.37/179,390
  6. Step 6: Final answer
    x = 143,495.49

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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.