Home / 187,766.66-259,128.36-107,220.06

Finding the Fourth Proportional to 187,766.66, 259,128.36 and 107,220.06

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Solution

The fourth proportional to 187,766.66, 259,128.36 and 107,220.06 is: 147,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.66 : 259,128.36 = 107,220.06 : x
  2. Step 2: Convert to fraction form
    187,766.66/259,128.36 = 107,220.06/x
  3. Step 3: Cross multiply
    187,766.66x = 259,128.36 × 107,220.06
  4. Step 4: Simplify right side
    187,766.66x = 27,783,758,306.90
  5. Step 5: Solve for x
    x = 27,783,758,306.90/187,766.66
  6. Step 6: Final answer
    x = 147,969.60

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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.