Home / 187,684.92-259,009.40-107,110.84

Finding the Fourth Proportional to 187,684.92, 259,009.40 and 107,110.84

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Solution

The fourth proportional to 187,684.92, 259,009.40 and 107,110.84 is: 147,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,684.92 : 259,009.40 = 107,110.84 : x
  2. Step 2: Convert to fraction form
    187,684.92/259,009.40 = 107,110.84/x
  3. Step 3: Cross multiply
    187,684.92x = 259,009.40 × 107,110.84
  4. Step 4: Simplify right side
    187,684.92x = 27,742,714,401.90
  5. Step 5: Solve for x
    x = 27,742,714,401.90/187,684.92
  6. Step 6: Final answer
    x = 147,815.36

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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.