Home / 117,604.86-162,295.83-63,890.28

Finding the Fourth Proportional to 117,604.86, 162,295.83 and 63,890.28

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Solution

The fourth proportional to 117,604.86, 162,295.83 and 63,890.28 is: 88,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,604.86 : 162,295.83 = 63,890.28 : x
  2. Step 2: Convert to fraction form
    117,604.86/162,295.83 = 63,890.28/x
  3. Step 3: Cross multiply
    117,604.86x = 162,295.83 × 63,890.28
  4. Step 4: Simplify right side
    117,604.86x = 10,369,126,021.53
  5. Step 5: Solve for x
    x = 10,369,126,021.53/117,604.86
  6. Step 6: Final answer
    x = 88,169.20

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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.