Home / 187,799.51-259,165.37-102,914.75

Finding the Fourth Proportional to 187,799.51, 259,165.37 and 102,914.75

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Solution

The fourth proportional to 187,799.51, 259,165.37 and 102,914.75 is: 142,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,799.51 : 259,165.37 = 102,914.75 : x
  2. Step 2: Convert to fraction form
    187,799.51/259,165.37 = 102,914.75/x
  3. Step 3: Cross multiply
    187,799.51x = 259,165.37 × 102,914.75
  4. Step 4: Simplify right side
    187,799.51x = 26,671,939,262.21
  5. Step 5: Solve for x
    x = 26,671,939,262.21/187,799.51
  6. Step 6: Final answer
    x = 142,023.48

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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.