Home / 187,671.86-259,005.78-107,111.58

Finding the Fourth Proportional to 187,671.86, 259,005.78 and 107,111.58

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Solution

The fourth proportional to 187,671.86, 259,005.78 and 107,111.58 is: 147,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.86 : 259,005.78 = 107,111.58 : x
  2. Step 2: Convert to fraction form
    187,671.86/259,005.78 = 107,111.58/x
  3. Step 3: Cross multiply
    187,671.86x = 259,005.78 × 107,111.58
  4. Step 4: Simplify right side
    187,671.86x = 27,742,517,789.37
  5. Step 5: Solve for x
    x = 27,742,517,789.37/187,671.86
  6. Step 6: Final answer
    x = 147,824.60

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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.