Home / 140,622.33-210,961.71-51,876.30

Finding the Fourth Proportional to 140,622.33, 210,961.71 and 51,876.30

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Solution

The fourth proportional to 140,622.33, 210,961.71 and 51,876.30 is: 77,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.33 : 210,961.71 = 51,876.30 : x
  2. Step 2: Convert to fraction form
    140,622.33/210,961.71 = 51,876.30/x
  3. Step 3: Cross multiply
    140,622.33x = 210,961.71 × 51,876.30
  4. Step 4: Simplify right side
    140,622.33x = 10,943,912,956.47
  5. Step 5: Solve for x
    x = 10,943,912,956.47/140,622.33
  6. Step 6: Final answer
    x = 77,824.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.