Home / 187,751.88-259,128.18-107,182.80

Finding the Fourth Proportional to 187,751.88, 259,128.18 and 107,182.80

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Solution

The fourth proportional to 187,751.88, 259,128.18 and 107,182.80 is: 147,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.88 : 259,128.18 = 107,182.80 : x
  2. Step 2: Convert to fraction form
    187,751.88/259,128.18 = 107,182.80/x
  3. Step 3: Cross multiply
    187,751.88x = 259,128.18 × 107,182.80
  4. Step 4: Simplify right side
    187,751.88x = 27,774,083,891.30
  5. Step 5: Solve for x
    x = 27,774,083,891.30/187,751.88
  6. Step 6: Final answer
    x = 147,929.72

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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.