Home / 135,045.20-202,443.96-51,876.56

Finding the Fourth Proportional to 135,045.20, 202,443.96 and 51,876.56

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Solution

The fourth proportional to 135,045.20, 202,443.96 and 51,876.56 is: 77,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,045.20 : 202,443.96 = 51,876.56 : x
  2. Step 2: Convert to fraction form
    135,045.20/202,443.96 = 51,876.56/x
  3. Step 3: Cross multiply
    135,045.20x = 202,443.96 × 51,876.56
  4. Step 4: Simplify right side
    135,045.20x = 10,502,096,237.58
  5. Step 5: Solve for x
    x = 10,502,096,237.58/135,045.20
  6. Step 6: Final answer
    x = 77,767.27

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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.