Home / 187,715.85-259,054.32-102,832.89

Finding the Fourth Proportional to 187,715.85, 259,054.32 and 102,832.89

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Solution

The fourth proportional to 187,715.85, 259,054.32 and 102,832.89 is: 141,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,715.85 : 259,054.32 = 102,832.89 : x
  2. Step 2: Convert to fraction form
    187,715.85/259,054.32 = 102,832.89/x
  3. Step 3: Cross multiply
    187,715.85x = 259,054.32 × 102,832.89
  4. Step 4: Simplify right side
    187,715.85x = 26,639,304,392.58
  5. Step 5: Solve for x
    x = 26,639,304,392.58/187,715.85
  6. Step 6: Final answer
    x = 141,912.92

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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.