Home / 135,859.44-203,829.66-64,835.40

Finding the Fourth Proportional to 135,859.44, 203,829.66 and 64,835.40

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Solution

The fourth proportional to 135,859.44, 203,829.66 and 64,835.40 is: 97,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,859.44 : 203,829.66 = 64,835.40 : x
  2. Step 2: Convert to fraction form
    135,859.44/203,829.66 = 64,835.40/x
  3. Step 3: Cross multiply
    135,859.44x = 203,829.66 × 64,835.40
  4. Step 4: Simplify right side
    135,859.44x = 13,215,377,537.96
  5. Step 5: Solve for x
    x = 13,215,377,537.96/135,859.44
  6. Step 6: Final answer
    x = 97,272.43

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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.