Home / 221,953.02-332,961.12-72,145.14

Finding the Fourth Proportional to 221,953.02, 332,961.12 and 72,145.14

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Solution

The fourth proportional to 221,953.02, 332,961.12 and 72,145.14 is: 108,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,953.02 : 332,961.12 = 72,145.14 : x
  2. Step 2: Convert to fraction form
    221,953.02/332,961.12 = 72,145.14/x
  3. Step 3: Cross multiply
    221,953.02x = 332,961.12 × 72,145.14
  4. Step 4: Simplify right side
    221,953.02x = 24,021,526,616.96
  5. Step 5: Solve for x
    x = 24,021,526,616.96/221,953.02
  6. Step 6: Final answer
    x = 108,227.98

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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.