Home / 123,462.28-170,378.60-66,873.66

Finding the Fourth Proportional to 123,462.28, 170,378.60 and 66,873.66

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Solution

The fourth proportional to 123,462.28, 170,378.60 and 66,873.66 is: 92,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,462.28 : 170,378.60 = 66,873.66 : x
  2. Step 2: Convert to fraction form
    123,462.28/170,378.60 = 66,873.66/x
  3. Step 3: Cross multiply
    123,462.28x = 170,378.60 × 66,873.66
  4. Step 4: Simplify right side
    123,462.28x = 11,393,840,567.68
  5. Step 5: Solve for x
    x = 11,393,840,567.68/123,462.28
  6. Step 6: Final answer
    x = 92,286.00

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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.