Home / 108,231.60-149,262.90-67,949.12

Finding the Fourth Proportional to 108,231.60, 149,262.90 and 67,949.12

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Solution

The fourth proportional to 108,231.60, 149,262.90 and 67,949.12 is: 93,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,231.60 : 149,262.90 = 67,949.12 : x
  2. Step 2: Convert to fraction form
    108,231.60/149,262.90 = 67,949.12/x
  3. Step 3: Cross multiply
    108,231.60x = 149,262.90 × 67,949.12
  4. Step 4: Simplify right side
    108,231.60x = 10,142,281,957.33
  5. Step 5: Solve for x
    x = 10,142,281,957.33/108,231.60
  6. Step 6: Final answer
    x = 93,709.06

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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.