Home / 187,899.96-259,309.98-112,433.88

Finding the Fourth Proportional to 187,899.96, 259,309.98 and 112,433.88

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Solution

The fourth proportional to 187,899.96, 259,309.98 and 112,433.88 is: 155,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,899.96 : 259,309.98 = 112,433.88 : x
  2. Step 2: Convert to fraction form
    187,899.96/259,309.98 = 112,433.88/x
  3. Step 3: Cross multiply
    187,899.96x = 259,309.98 × 112,433.88
  4. Step 4: Simplify right side
    187,899.96x = 29,155,227,174.12
  5. Step 5: Solve for x
    x = 29,155,227,174.12/187,899.96
  6. Step 6: Final answer
    x = 155,163.56

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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.