Home / 108,459.57-162,725.00-68,432.21

Finding the Fourth Proportional to 108,459.57, 162,725.00 and 68,432.21

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Solution

The fourth proportional to 108,459.57, 162,725.00 and 68,432.21 is: 102,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459.57 : 162,725.00 = 68,432.21 : x
  2. Step 2: Convert to fraction form
    108,459.57/162,725.00 = 68,432.21/x
  3. Step 3: Cross multiply
    108,459.57x = 162,725.00 × 68,432.21
  4. Step 4: Simplify right side
    108,459.57x = 11,135,630,216.46
  5. Step 5: Solve for x
    x = 11,135,630,216.46/108,459.57
  6. Step 6: Final answer
    x = 102,670.79

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1.5x scale

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.