Home / 221,845.72-332,787.02-72,082.68

Finding the Fourth Proportional to 221,845.72, 332,787.02 and 72,082.68

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Solution

The fourth proportional to 221,845.72, 332,787.02 and 72,082.68 is: 108,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,845.72 : 332,787.02 = 72,082.68 : x
  2. Step 2: Convert to fraction form
    221,845.72/332,787.02 = 72,082.68/x
  3. Step 3: Cross multiply
    221,845.72x = 332,787.02 × 72,082.68
  4. Step 4: Simplify right side
    221,845.72x = 23,988,180,270.81
  5. Step 5: Solve for x
    x = 23,988,180,270.81/221,845.72
  6. Step 6: Final answer
    x = 108,130.01

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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.