Home / 120,409.02-166,165.92-66,695.04

Finding the Fourth Proportional to 120,409.02, 166,165.92 and 66,695.04

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Solution

The fourth proportional to 120,409.02, 166,165.92 and 66,695.04 is: 92,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,409.02 : 166,165.92 = 66,695.04 : x
  2. Step 2: Convert to fraction form
    120,409.02/166,165.92 = 66,695.04/x
  3. Step 3: Cross multiply
    120,409.02x = 166,165.92 × 66,695.04
  4. Step 4: Simplify right side
    120,409.02x = 11,082,442,681.04
  5. Step 5: Solve for x
    x = 11,082,442,681.04/120,409.02
  6. Step 6: Final answer
    x = 92,039.97

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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.