Home / 120,712.61-166,580.21-66,996.24

Finding the Fourth Proportional to 120,712.61, 166,580.21 and 66,996.24

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Solution

The fourth proportional to 120,712.61, 166,580.21 and 66,996.24 is: 92,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,712.61 : 166,580.21 = 66,996.24 : x
  2. Step 2: Convert to fraction form
    120,712.61/166,580.21 = 66,996.24/x
  3. Step 3: Cross multiply
    120,712.61x = 166,580.21 × 66,996.24
  4. Step 4: Simplify right side
    120,712.61x = 11,160,247,393.43
  5. Step 5: Solve for x
    x = 11,160,247,393.43/120,712.61
  6. Step 6: Final answer
    x = 92,453.04

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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.