Home / 108,911.97-163,304.52-42,274.25

Finding the Fourth Proportional to 108,911.97, 163,304.52 and 42,274.25

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Solution

The fourth proportional to 108,911.97, 163,304.52 and 42,274.25 is: 63,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,911.97 : 163,304.52 = 42,274.25 : x
  2. Step 2: Convert to fraction form
    108,911.97/163,304.52 = 42,274.25/x
  3. Step 3: Cross multiply
    108,911.97x = 163,304.52 × 42,274.25
  4. Step 4: Simplify right side
    108,911.97x = 6,903,576,104.61
  5. Step 5: Solve for x
    x = 6,903,576,104.61/108,911.97
  6. Step 6: Final answer
    x = 63,386.75

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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.