Home / 117,220.44-161,764-63,506.82

Finding the Fourth Proportional to 117,220.44, 161,764 and 63,506.82

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Solution

The fourth proportional to 117,220.44, 161,764 and 63,506.82 is: 87,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220.44 : 161,764 = 63,506.82 : x
  2. Step 2: Convert to fraction form
    117,220.44/161,764 = 63,506.82/x
  3. Step 3: Cross multiply
    117,220.44x = 161,764 × 63,506.82
  4. Step 4: Simplify right side
    117,220.44x = 10,273,117,230.48
  5. Step 5: Solve for x
    x = 10,273,117,230.48/117,220.44
  6. Step 6: Final answer
    x = 87,639.30

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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.