Home / 108,954.28-163,442.04-42,399.82

Finding the Fourth Proportional to 108,954.28, 163,442.04 and 42,399.82

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Solution

The fourth proportional to 108,954.28, 163,442.04 and 42,399.82 is: 63,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,954.28 : 163,442.04 = 42,399.82 : x
  2. Step 2: Convert to fraction form
    108,954.28/163,442.04 = 42,399.82/x
  3. Step 3: Cross multiply
    108,954.28x = 163,442.04 × 42,399.82
  4. Step 4: Simplify right side
    108,954.28x = 6,929,913,076.43
  5. Step 5: Solve for x
    x = 6,929,913,076.43/108,954.28
  6. Step 6: Final answer
    x = 63,603.86

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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.