Home / 120,549.21-166,357.64-66,832.85

Finding the Fourth Proportional to 120,549.21, 166,357.64 and 66,832.85

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Solution

The fourth proportional to 120,549.21, 166,357.64 and 66,832.85 is: 92,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.21 : 166,357.64 = 66,832.85 : x
  2. Step 2: Convert to fraction form
    120,549.21/166,357.64 = 66,832.85/x
  3. Step 3: Cross multiply
    120,549.21x = 166,357.64 × 66,832.85
  4. Step 4: Simplify right side
    120,549.21x = 11,118,154,034.52
  5. Step 5: Solve for x
    x = 11,118,154,034.52/120,549.21
  6. Step 6: Final answer
    x = 92,229.17

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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.