Home / 187,590.70-258,869.55-102,704.86

Finding the Fourth Proportional to 187,590.70, 258,869.55 and 102,704.86

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Solution

The fourth proportional to 187,590.70, 258,869.55 and 102,704.86 is: 141,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,590.70 : 258,869.55 = 102,704.86 : x
  2. Step 2: Convert to fraction form
    187,590.70/258,869.55 = 102,704.86/x
  3. Step 3: Cross multiply
    187,590.70x = 258,869.55 × 102,704.86
  4. Step 4: Simplify right side
    187,590.70x = 26,587,160,891.01
  5. Step 5: Solve for x
    x = 26,587,160,891.01/187,590.70
  6. Step 6: Final answer
    x = 141,729.63

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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.