Home / 117,771.66-162,471.29-69,997.86

Finding the Fourth Proportional to 117,771.66, 162,471.29 and 69,997.86

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Solution

The fourth proportional to 117,771.66, 162,471.29 and 69,997.86 is: 96,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.66 : 162,471.29 = 69,997.86 : x
  2. Step 2: Convert to fraction form
    117,771.66/162,471.29 = 69,997.86/x
  3. Step 3: Cross multiply
    117,771.66x = 162,471.29 × 69,997.86
  4. Step 4: Simplify right side
    117,771.66x = 11,372,642,261.45
  5. Step 5: Solve for x
    x = 11,372,642,261.45/117,771.66
  6. Step 6: Final answer
    x = 96,565.19

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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.