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Finding the Fourth Proportional to 162,401.31, 243,539.55 and 55,765.44

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Solution

The fourth proportional to 162,401.31, 243,539.55 and 55,765.44 is: 83,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,401.31 : 243,539.55 = 55,765.44 : x
  2. Step 2: Convert to fraction form
    162,401.31/243,539.55 = 55,765.44/x
  3. Step 3: Cross multiply
    162,401.31x = 243,539.55 × 55,765.44
  4. Step 4: Simplify right side
    162,401.31x = 13,581,090,163.15
  5. Step 5: Solve for x
    x = 13,581,090,163.15/162,401.31
  6. Step 6: Final answer
    x = 83,626.73

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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.