Home / 170,895.73-256,120.64-123,669.90

Finding the Fourth Proportional to 170,895.73, 256,120.64 and 123,669.90

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Solution

The fourth proportional to 170,895.73, 256,120.64 and 123,669.90 is: 185,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,895.73 : 256,120.64 = 123,669.90 : x
  2. Step 2: Convert to fraction form
    170,895.73/256,120.64 = 123,669.90/x
  3. Step 3: Cross multiply
    170,895.73x = 256,120.64 × 123,669.90
  4. Step 4: Simplify right side
    170,895.73x = 31,674,413,936.74
  5. Step 5: Solve for x
    x = 31,674,413,936.74/170,895.73
  6. Step 6: Final answer
    x = 185,343.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.