Home / 117,204.30-161,742.33-63,489.15

Finding the Fourth Proportional to 117,204.30, 161,742.33 and 63,489.15

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Solution

The fourth proportional to 117,204.30, 161,742.33 and 63,489.15 is: 87,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,204.30 : 161,742.33 = 63,489.15 : x
  2. Step 2: Convert to fraction form
    117,204.30/161,742.33 = 63,489.15/x
  3. Step 3: Cross multiply
    117,204.30x = 161,742.33 × 63,489.15
  4. Step 4: Simplify right side
    117,204.30x = 10,268,883,050.72
  5. Step 5: Solve for x
    x = 10,268,883,050.72/117,204.30
  6. Step 6: Final answer
    x = 87,615.24

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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.