Home / 135,764.73-203,603.90-56,864.25

Finding the Fourth Proportional to 135,764.73, 203,603.90 and 56,864.25

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Solution

The fourth proportional to 135,764.73, 203,603.90 and 56,864.25 is: 85,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,764.73 : 203,603.90 = 56,864.25 : x
  2. Step 2: Convert to fraction form
    135,764.73/203,603.90 = 56,864.25/x
  3. Step 3: Cross multiply
    135,764.73x = 203,603.90 × 56,864.25
  4. Step 4: Simplify right side
    135,764.73x = 11,577,782,786.25
  5. Step 5: Solve for x
    x = 11,577,782,786.25/135,764.73
  6. Step 6: Final answer
    x = 85,278.28

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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.