Home / 187,706.72-259,035.26-102,823.76

Finding the Fourth Proportional to 187,706.72, 259,035.26 and 102,823.76

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Solution

The fourth proportional to 187,706.72, 259,035.26 and 102,823.76 is: 141,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,706.72 : 259,035.26 = 102,823.76 : x
  2. Step 2: Convert to fraction form
    187,706.72/259,035.26 = 102,823.76/x
  3. Step 3: Cross multiply
    187,706.72x = 259,035.26 × 102,823.76
  4. Step 4: Simplify right side
    187,706.72x = 26,634,979,405.78
  5. Step 5: Solve for x
    x = 26,634,979,405.78/187,706.72
  6. Step 6: Final answer
    x = 141,896.78

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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.