Home / 108,215.96-149,335.20-60,469.64

Finding the Fourth Proportional to 108,215.96, 149,335.20 and 60,469.64

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Solution

The fourth proportional to 108,215.96, 149,335.20 and 60,469.64 is: 83,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,215.96 : 149,335.20 = 60,469.64 : x
  2. Step 2: Convert to fraction form
    108,215.96/149,335.20 = 60,469.64/x
  3. Step 3: Cross multiply
    108,215.96x = 149,335.20 × 60,469.64
  4. Step 4: Simplify right side
    108,215.96x = 9,030,245,783.33
  5. Step 5: Solve for x
    x = 9,030,245,783.33/108,215.96
  6. Step 6: Final answer
    x = 83,446.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.