Home / 108,716.40-163,090.80-38,589.84

Finding the Fourth Proportional to 108,716.40, 163,090.80 and 38,589.84

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Solution

The fourth proportional to 108,716.40, 163,090.80 and 38,589.84 is: 57,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,716.40 : 163,090.80 = 38,589.84 : x
  2. Step 2: Convert to fraction form
    108,716.40/163,090.80 = 38,589.84/x
  3. Step 3: Cross multiply
    108,716.40x = 163,090.80 × 38,589.84
  4. Step 4: Simplify right side
    108,716.40x = 6,293,647,877.47
  5. Step 5: Solve for x
    x = 6,293,647,877.47/108,716.40
  6. Step 6: Final answer
    x = 57,890.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.