Home / 108,334.44-162,477.63-78,766.20

Finding the Fourth Proportional to 108,334.44, 162,477.63 and 78,766.20

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Solution

The fourth proportional to 108,334.44, 162,477.63 and 78,766.20 is: 118,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,334.44 : 162,477.63 = 78,766.20 : x
  2. Step 2: Convert to fraction form
    108,334.44/162,477.63 = 78,766.20/x
  3. Step 3: Cross multiply
    108,334.44x = 162,477.63 × 78,766.20
  4. Step 4: Simplify right side
    108,334.44x = 12,797,745,500.11
  5. Step 5: Solve for x
    x = 12,797,745,500.11/108,334.44
  6. Step 6: Final answer
    x = 118,131.83

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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.