Home / 187,799.72-259,163.55-102,916.71

Finding the Fourth Proportional to 187,799.72, 259,163.55 and 102,916.71

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Solution

The fourth proportional to 187,799.72, 259,163.55 and 102,916.71 is: 142,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,799.72 : 259,163.55 = 102,916.71 : x
  2. Step 2: Convert to fraction form
    187,799.72/259,163.55 = 102,916.71/x
  3. Step 3: Cross multiply
    187,799.72x = 259,163.55 × 102,916.71
  4. Step 4: Simplify right side
    187,799.72x = 26,672,259,917.92
  5. Step 5: Solve for x
    x = 26,672,259,917.92/187,799.72
  6. Step 6: Final answer
    x = 142,025.03

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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.