Home / 117,191.28-161,723.67-63,476.43

Finding the Fourth Proportional to 117,191.28, 161,723.67 and 63,476.43

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Solution

The fourth proportional to 117,191.28, 161,723.67 and 63,476.43 is: 87,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191.28 : 161,723.67 = 63,476.43 : x
  2. Step 2: Convert to fraction form
    117,191.28/161,723.67 = 63,476.43/x
  3. Step 3: Cross multiply
    117,191.28x = 161,723.67 × 63,476.43
  4. Step 4: Simplify right side
    117,191.28x = 10,265,641,218.10
  5. Step 5: Solve for x
    x = 10,265,641,218.10/117,191.28
  6. Step 6: Final answer
    x = 87,597.31

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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.