Home / 187,688.79-259,010.64-102,807.27

Finding the Fourth Proportional to 187,688.79, 259,010.64 and 102,807.27

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Solution

The fourth proportional to 187,688.79, 259,010.64 and 102,807.27 is: 141,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,688.79 : 259,010.64 = 102,807.27 : x
  2. Step 2: Convert to fraction form
    187,688.79/259,010.64 = 102,807.27/x
  3. Step 3: Cross multiply
    187,688.79x = 259,010.64 × 102,807.27
  4. Step 4: Simplify right side
    187,688.79x = 26,628,176,799.35
  5. Step 5: Solve for x
    x = 26,628,176,799.35/187,688.79
  6. Step 6: Final answer
    x = 141,874.09

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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.