Home / 120,346.56-166,079.58-66,632.54

Finding the Fourth Proportional to 120,346.56, 166,079.58 and 66,632.54

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Solution

The fourth proportional to 120,346.56, 166,079.58 and 66,632.54 is: 91,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,346.56 : 166,079.58 = 66,632.54 : x
  2. Step 2: Convert to fraction form
    120,346.56/166,079.58 = 66,632.54/x
  3. Step 3: Cross multiply
    120,346.56x = 166,079.58 × 66,632.54
  4. Step 4: Simplify right side
    120,346.56x = 11,066,304,257.53
  5. Step 5: Solve for x
    x = 11,066,304,257.53/120,346.56
  6. Step 6: Final answer
    x = 91,953.64

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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.