Home / 162,090.05-243,115.92-43,770.60

Finding the Fourth Proportional to 162,090.05, 243,115.92 and 43,770.60

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Solution

The fourth proportional to 162,090.05, 243,115.92 and 43,770.60 is: 65,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,090.05 : 243,115.92 = 43,770.60 : x
  2. Step 2: Convert to fraction form
    162,090.05/243,115.92 = 43,770.60/x
  3. Step 3: Cross multiply
    162,090.05x = 243,115.92 × 43,770.60
  4. Step 4: Simplify right side
    162,090.05x = 10,641,329,687.95
  5. Step 5: Solve for x
    x = 10,641,329,687.95/162,090.05
  6. Step 6: Final answer
    x = 65,650.73

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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.