Home / 166,731.21-250,143.63-66,961.45

Finding the Fourth Proportional to 166,731.21, 250,143.63 and 66,961.45

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Solution

The fourth proportional to 166,731.21, 250,143.63 and 66,961.45 is: 100,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,731.21 : 250,143.63 = 66,961.45 : x
  2. Step 2: Convert to fraction form
    166,731.21/250,143.63 = 66,961.45/x
  3. Step 3: Cross multiply
    166,731.21x = 250,143.63 × 66,961.45
  4. Step 4: Simplify right side
    166,731.21x = 16,749,980,234.64
  5. Step 5: Solve for x
    x = 16,749,980,234.64/166,731.21
  6. Step 6: Final answer
    x = 100,460.98

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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.