Home / 187,646.33-258,887.68-107,015.90

Finding the Fourth Proportional to 187,646.33, 258,887.68 and 107,015.90

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Solution

The fourth proportional to 187,646.33, 258,887.68 and 107,015.90 is: 147,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,646.33 : 258,887.68 = 107,015.90 : x
  2. Step 2: Convert to fraction form
    187,646.33/258,887.68 = 107,015.90/x
  3. Step 3: Cross multiply
    187,646.33x = 258,887.68 × 107,015.90
  4. Step 4: Simplify right side
    187,646.33x = 27,705,096,512.13
  5. Step 5: Solve for x
    x = 27,705,096,512.13/187,646.33
  6. Step 6: Final answer
    x = 147,645.29

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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.