Home / 187,717.22-259,068.34-107,156.85

Finding the Fourth Proportional to 187,717.22, 259,068.34 and 107,156.85

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Solution

The fourth proportional to 187,717.22, 259,068.34 and 107,156.85 is: 147,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,717.22 : 259,068.34 = 107,156.85 : x
  2. Step 2: Convert to fraction form
    187,717.22/259,068.34 = 107,156.85/x
  3. Step 3: Cross multiply
    187,717.22x = 259,068.34 × 107,156.85
  4. Step 4: Simplify right side
    187,717.22x = 27,760,947,249.13
  5. Step 5: Solve for x
    x = 27,760,947,249.13/187,717.22
  6. Step 6: Final answer
    x = 147,887.06

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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.