Home / 187,742.12-259,045.29-107,195.85

Finding the Fourth Proportional to 187,742.12, 259,045.29 and 107,195.85

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Solution

The fourth proportional to 187,742.12, 259,045.29 and 107,195.85 is: 147,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,742.12 : 259,045.29 = 107,195.85 : x
  2. Step 2: Convert to fraction form
    187,742.12/259,045.29 = 107,195.85/x
  3. Step 3: Cross multiply
    187,742.12x = 259,045.29 × 107,195.85
  4. Step 4: Simplify right side
    187,742.12x = 27,768,580,050.05
  5. Step 5: Solve for x
    x = 27,768,580,050.05/187,742.12
  6. Step 6: Final answer
    x = 147,908.10

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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.