Home / 111,002.20-166,503.30-36,129.40

Finding the Fourth Proportional to 111,002.20, 166,503.30 and 36,129.40

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Solution

The fourth proportional to 111,002.20, 166,503.30 and 36,129.40 is: 54,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,002.20 : 166,503.30 = 36,129.40 : x
  2. Step 2: Convert to fraction form
    111,002.20/166,503.30 = 36,129.40/x
  3. Step 3: Cross multiply
    111,002.20x = 166,503.30 × 36,129.40
  4. Step 4: Simplify right side
    111,002.20x = 6,015,664,327.02
  5. Step 5: Solve for x
    x = 6,015,664,327.02/111,002.20
  6. Step 6: Final answer
    x = 54,194.10

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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.