Home / 117,171.08-161,695.24-63,454.86

Finding the Fourth Proportional to 117,171.08, 161,695.24 and 63,454.86

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Solution

The fourth proportional to 117,171.08, 161,695.24 and 63,454.86 is: 87,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.08 : 161,695.24 = 63,454.86 : x
  2. Step 2: Convert to fraction form
    117,171.08/161,695.24 = 63,454.86/x
  3. Step 3: Cross multiply
    117,171.08x = 161,695.24 × 63,454.86
  4. Step 4: Simplify right side
    117,171.08x = 10,260,348,816.87
  5. Step 5: Solve for x
    x = 10,260,348,816.87/117,171.08
  6. Step 6: Final answer
    x = 87,567.25

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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.