Home / 187,716.22-259,066.96-107,155.85

Finding the Fourth Proportional to 187,716.22, 259,066.96 and 107,155.85

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Solution

The fourth proportional to 187,716.22, 259,066.96 and 107,155.85 is: 147,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,716.22 : 259,066.96 = 107,155.85 : x
  2. Step 2: Convert to fraction form
    187,716.22/259,066.96 = 107,155.85/x
  3. Step 3: Cross multiply
    187,716.22x = 259,066.96 × 107,155.85
  4. Step 4: Simplify right side
    187,716.22x = 27,760,538,742.49
  5. Step 5: Solve for x
    x = 27,760,538,742.49/187,716.22
  6. Step 6: Final answer
    x = 147,885.67

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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.