Home / 120,560.22-166,346.22-72,154.62

Finding the Fourth Proportional to 120,560.22, 166,346.22 and 72,154.62

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Solution

The fourth proportional to 120,560.22, 166,346.22 and 72,154.62 is: 99,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,560.22 : 166,346.22 = 72,154.62 : x
  2. Step 2: Convert to fraction form
    120,560.22/166,346.22 = 72,154.62/x
  3. Step 3: Cross multiply
    120,560.22x = 166,346.22 × 72,154.62
  4. Step 4: Simplify right side
    120,560.22x = 12,002,648,292.54
  5. Step 5: Solve for x
    x = 12,002,648,292.54/120,560.22
  6. Step 6: Final answer
    x = 99,557.29

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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.