Home / 187,748.72-259,028.48-107,118.08

Finding the Fourth Proportional to 187,748.72, 259,028.48 and 107,118.08

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Solution

The fourth proportional to 187,748.72, 259,028.48 and 107,118.08 is: 147,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,748.72 : 259,028.48 = 107,118.08 : x
  2. Step 2: Convert to fraction form
    187,748.72/259,028.48 = 107,118.08/x
  3. Step 3: Cross multiply
    187,748.72x = 259,028.48 × 107,118.08
  4. Step 4: Simplify right side
    187,748.72x = 27,746,633,442.92
  5. Step 5: Solve for x
    x = 27,746,633,442.92/187,748.72
  6. Step 6: Final answer
    x = 147,786.01

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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.