Home / 108,854.21-163,291.62-42,299.48

Finding the Fourth Proportional to 108,854.21, 163,291.62 and 42,299.48

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Solution

The fourth proportional to 108,854.21, 163,291.62 and 42,299.48 is: 63,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,854.21 : 163,291.62 = 42,299.48 : x
  2. Step 2: Convert to fraction form
    108,854.21/163,291.62 = 42,299.48/x
  3. Step 3: Cross multiply
    108,854.21x = 163,291.62 × 42,299.48
  4. Step 4: Simplify right side
    108,854.21x = 6,907,149,797.90
  5. Step 5: Solve for x
    x = 6,907,149,797.90/108,854.21
  6. Step 6: Final answer
    x = 63,453.22

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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.