Home / 117,235.26-161,783.91-63,520.02

Finding the Fourth Proportional to 117,235.26, 161,783.91 and 63,520.02

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Solution

The fourth proportional to 117,235.26, 161,783.91 and 63,520.02 is: 87,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.26 : 161,783.91 = 63,520.02 : x
  2. Step 2: Convert to fraction form
    117,235.26/161,783.91 = 63,520.02/x
  3. Step 3: Cross multiply
    117,235.26x = 161,783.91 × 63,520.02
  4. Step 4: Simplify right side
    117,235.26x = 10,276,517,198.88
  5. Step 5: Solve for x
    x = 10,276,517,198.88/117,235.26
  6. Step 6: Final answer
    x = 87,657.22

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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.