Home / 120,607.30-166,436.49-66,892.42

Finding the Fourth Proportional to 120,607.30, 166,436.49 and 66,892.42

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Solution

The fourth proportional to 120,607.30, 166,436.49 and 66,892.42 is: 92,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,607.30 : 166,436.49 = 66,892.42 : x
  2. Step 2: Convert to fraction form
    120,607.30/166,436.49 = 66,892.42/x
  3. Step 3: Cross multiply
    120,607.30x = 166,436.49 × 66,892.42
  4. Step 4: Simplify right side
    120,607.30x = 11,133,339,592.41
  5. Step 5: Solve for x
    x = 11,133,339,592.41/120,607.30
  6. Step 6: Final answer
    x = 92,310.66

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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.