Home / 187,780.28-259,128.33-102,895.52

Finding the Fourth Proportional to 187,780.28, 259,128.33 and 102,895.52

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Solution

The fourth proportional to 187,780.28, 259,128.33 and 102,895.52 is: 141,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,780.28 : 259,128.33 = 102,895.52 : x
  2. Step 2: Convert to fraction form
    187,780.28/259,128.33 = 102,895.52/x
  3. Step 3: Cross multiply
    187,780.28x = 259,128.33 × 102,895.52
  4. Step 4: Simplify right side
    187,780.28x = 26,663,144,262.08
  5. Step 5: Solve for x
    x = 26,663,144,262.08/187,780.28
  6. Step 6: Final answer
    x = 141,991.18

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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.