Home / 123,606.73-170,580.64-69,899.75

Finding the Fourth Proportional to 123,606.73, 170,580.64 and 69,899.75

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Solution

The fourth proportional to 123,606.73, 170,580.64 and 69,899.75 is: 96,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,606.73 : 170,580.64 = 69,899.75 : x
  2. Step 2: Convert to fraction form
    123,606.73/170,580.64 = 69,899.75/x
  3. Step 3: Cross multiply
    123,606.73x = 170,580.64 × 69,899.75
  4. Step 4: Simplify right side
    123,606.73x = 11,923,543,916.09
  5. Step 5: Solve for x
    x = 11,923,543,916.09/123,606.73
  6. Step 6: Final answer
    x = 96,463.55

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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.