Home / 187,775.82-259,132.77-102,894.30

Finding the Fourth Proportional to 187,775.82, 259,132.77 and 102,894.30

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Solution

The fourth proportional to 187,775.82, 259,132.77 and 102,894.30 is: 141,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,775.82 : 259,132.77 = 102,894.30 : x
  2. Step 2: Convert to fraction form
    187,775.82/259,132.77 = 102,894.30/x
  3. Step 3: Cross multiply
    187,775.82x = 259,132.77 × 102,894.30
  4. Step 4: Simplify right side
    187,775.82x = 26,663,284,976.21
  5. Step 5: Solve for x
    x = 26,663,284,976.21/187,775.82
  6. Step 6: Final answer
    x = 141,995.31

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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.