Home / 135,502.54-203,032.07-82,032.45

Finding the Fourth Proportional to 135,502.54, 203,032.07 and 82,032.45

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Solution

The fourth proportional to 135,502.54, 203,032.07 and 82,032.45 is: 122,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,502.54 : 203,032.07 = 82,032.45 : x
  2. Step 2: Convert to fraction form
    135,502.54/203,032.07 = 82,032.45/x
  3. Step 3: Cross multiply
    135,502.54x = 203,032.07 × 82,032.45
  4. Step 4: Simplify right side
    135,502.54x = 16,655,217,728.19
  5. Step 5: Solve for x
    x = 16,655,217,728.19/135,502.54
  6. Step 6: Final answer
    x = 122,914.43

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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.