Home / 203,865.35-305,774.24-54,117.27

Finding the Fourth Proportional to 203,865.35, 305,774.24 and 54,117.27

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Solution

The fourth proportional to 203,865.35, 305,774.24 and 54,117.27 is: 81,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,865.35 : 305,774.24 = 54,117.27 : x
  2. Step 2: Convert to fraction form
    203,865.35/305,774.24 = 54,117.27/x
  3. Step 3: Cross multiply
    203,865.35x = 305,774.24 × 54,117.27
  4. Step 4: Simplify right side
    203,865.35x = 16,547,666,834.54
  5. Step 5: Solve for x
    x = 16,547,666,834.54/203,865.35
  6. Step 6: Final answer
    x = 81,169.59

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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.