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Finding the Fourth Proportional to 162,241.20, 223,890.48 and 90,622.20

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Solution

The fourth proportional to 162,241.20, 223,890.48 and 90,622.20 is: 125,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,241.20 : 223,890.48 = 90,622.20 : x
  2. Step 2: Convert to fraction form
    162,241.20/223,890.48 = 90,622.20/x
  3. Step 3: Cross multiply
    162,241.20x = 223,890.48 × 90,622.20
  4. Step 4: Simplify right side
    162,241.20x = 20,289,447,856.66
  5. Step 5: Solve for x
    x = 20,289,447,856.66/162,241.20
  6. Step 6: Final answer
    x = 125,057.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.