Home / 108,976.48-163,474.14-30,090.76

Finding the Fourth Proportional to 108,976.48, 163,474.14 and 30,090.76

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Solution

The fourth proportional to 108,976.48, 163,474.14 and 30,090.76 is: 45,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,976.48 : 163,474.14 = 30,090.76 : x
  2. Step 2: Convert to fraction form
    108,976.48/163,474.14 = 30,090.76/x
  3. Step 3: Cross multiply
    108,976.48x = 163,474.14 × 30,090.76
  4. Step 4: Simplify right side
    108,976.48x = 4,919,061,112.95
  5. Step 5: Solve for x
    x = 4,919,061,112.95/108,976.48
  6. Step 6: Final answer
    x = 45,138.74

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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.