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Finding the Fourth Proportional to 162,524.10, 243,786.15 and 103,620.90

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Solution

The fourth proportional to 162,524.10, 243,786.15 and 103,620.90 is: 155,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,524.10 : 243,786.15 = 103,620.90 : x
  2. Step 2: Convert to fraction form
    162,524.10/243,786.15 = 103,620.90/x
  3. Step 3: Cross multiply
    162,524.10x = 243,786.15 × 103,620.90
  4. Step 4: Simplify right side
    162,524.10x = 25,261,340,270.54
  5. Step 5: Solve for x
    x = 25,261,340,270.54/162,524.10
  6. Step 6: Final answer
    x = 155,431.35

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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.