Home / 179,702.82-247,989.20-99,135.36

Finding the Fourth Proportional to 179,702.82, 247,989.20 and 99,135.36

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Solution

The fourth proportional to 179,702.82, 247,989.20 and 99,135.36 is: 136,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,702.82 : 247,989.20 = 99,135.36 : x
  2. Step 2: Convert to fraction form
    179,702.82/247,989.20 = 99,135.36/x
  3. Step 3: Cross multiply
    179,702.82x = 247,989.20 × 99,135.36
  4. Step 4: Simplify right side
    179,702.82x = 24,584,498,122.44
  5. Step 5: Solve for x
    x = 24,584,498,122.44/179,702.82
  6. Step 6: Final answer
    x = 136,806.41

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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.