Home / 185,780.30-256,375.37-100,897.37

Finding the Fourth Proportional to 185,780.30, 256,375.37 and 100,897.37

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Solution

The fourth proportional to 185,780.30, 256,375.37 and 100,897.37 is: 139,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,780.30 : 256,375.37 = 100,897.37 : x
  2. Step 2: Convert to fraction form
    185,780.30/256,375.37 = 100,897.37/x
  3. Step 3: Cross multiply
    185,780.30x = 256,375.37 × 100,897.37
  4. Step 4: Simplify right side
    185,780.30x = 25,867,600,565.78
  5. Step 5: Solve for x
    x = 25,867,600,565.78/185,780.30
  6. Step 6: Final answer
    x = 139,237.59

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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.