Home / 123,285.61-170,135.54-69,571.27

Finding the Fourth Proportional to 123,285.61, 170,135.54 and 69,571.27

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Solution

The fourth proportional to 123,285.61, 170,135.54 and 69,571.27 is: 96,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,285.61 : 170,135.54 = 69,571.27 : x
  2. Step 2: Convert to fraction form
    123,285.61/170,135.54 = 69,571.27/x
  3. Step 3: Cross multiply
    123,285.61x = 170,135.54 × 69,571.27
  4. Step 4: Simplify right side
    123,285.61x = 11,836,545,589.94
  5. Step 5: Solve for x
    x = 11,836,545,589.94/123,285.61
  6. Step 6: Final answer
    x = 96,009.14

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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.