Home / 187,505.22-258,763.38-102,622.28

Finding the Fourth Proportional to 187,505.22, 258,763.38 and 102,622.28

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Solution

The fourth proportional to 187,505.22, 258,763.38 and 102,622.28 is: 141,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,505.22 : 258,763.38 = 102,622.28 : x
  2. Step 2: Convert to fraction form
    187,505.22/258,763.38 = 102,622.28/x
  3. Step 3: Cross multiply
    187,505.22x = 258,763.38 × 102,622.28
  4. Step 4: Simplify right side
    187,505.22x = 26,554,889,067.85
  5. Step 5: Solve for x
    x = 26,554,889,067.85/187,505.22
  6. Step 6: Final answer
    x = 141,622.13

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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.