Home / 108,267.22-149,435.85-86,672.62

Finding the Fourth Proportional to 108,267.22, 149,435.85 and 86,672.62

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Solution

The fourth proportional to 108,267.22, 149,435.85 and 86,672.62 is: 119,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,267.22 : 149,435.85 = 86,672.62 : x
  2. Step 2: Convert to fraction form
    108,267.22/149,435.85 = 86,672.62/x
  3. Step 3: Cross multiply
    108,267.22x = 149,435.85 × 86,672.62
  4. Step 4: Simplify right side
    108,267.22x = 12,951,996,641.43
  5. Step 5: Solve for x
    x = 12,951,996,641.43/108,267.22
  6. Step 6: Final answer
    x = 119,629.90

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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.