Home / 120,484.23-166,268.67-66,770.16

Finding the Fourth Proportional to 120,484.23, 166,268.67 and 66,770.16

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Solution

The fourth proportional to 120,484.23, 166,268.67 and 66,770.16 is: 92,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,484.23 : 166,268.67 = 66,770.16 : x
  2. Step 2: Convert to fraction form
    120,484.23/166,268.67 = 66,770.16/x
  3. Step 3: Cross multiply
    120,484.23x = 166,268.67 × 66,770.16
  4. Step 4: Simplify right side
    120,484.23x = 11,101,785,698.89
  5. Step 5: Solve for x
    x = 11,101,785,698.89/120,484.23
  6. Step 6: Final answer
    x = 92,143.06

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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.