Home / 142,405.20-213,591.60-37,234.80

Finding the Fourth Proportional to 142,405.20, 213,591.60 and 37,234.80

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Solution

The fourth proportional to 142,405.20, 213,591.60 and 37,234.80 is: 55,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,405.20 : 213,591.60 = 37,234.80 : x
  2. Step 2: Convert to fraction form
    142,405.20/213,591.60 = 37,234.80/x
  3. Step 3: Cross multiply
    142,405.20x = 213,591.60 × 37,234.80
  4. Step 4: Simplify right side
    142,405.20x = 7,953,040,507.68
  5. Step 5: Solve for x
    x = 7,953,040,507.68/142,405.20
  6. Step 6: Final answer
    x = 55,847.96

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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.