Home / 109,645.28-151,311.73-64,324.04

Finding the Fourth Proportional to 109,645.28, 151,311.73 and 64,324.04

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Solution

The fourth proportional to 109,645.28, 151,311.73 and 64,324.04 is: 88,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.28 : 151,311.73 = 64,324.04 : x
  2. Step 2: Convert to fraction form
    109,645.28/151,311.73 = 64,324.04/x
  3. Step 3: Cross multiply
    109,645.28x = 151,311.73 × 64,324.04
  4. Step 4: Simplify right side
    109,645.28x = 9,732,980,694.81
  5. Step 5: Solve for x
    x = 9,732,980,694.81/109,645.28
  6. Step 6: Final answer
    x = 88,767.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.