Home / 221,514.56-332,155.08-96,709.76

Finding the Fourth Proportional to 221,514.56, 332,155.08 and 96,709.76

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Solution

The fourth proportional to 221,514.56, 332,155.08 and 96,709.76 is: 145,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,514.56 : 332,155.08 = 96,709.76 : x
  2. Step 2: Convert to fraction form
    221,514.56/332,155.08 = 96,709.76/x
  3. Step 3: Cross multiply
    221,514.56x = 332,155.08 × 96,709.76
  4. Step 4: Simplify right side
    221,514.56x = 32,122,638,069.58
  5. Step 5: Solve for x
    x = 32,122,638,069.58/221,514.56
  6. Step 6: Final answer
    x = 145,013.66

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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.