Home / 96,821.28-145,214.64-25,744.32

Finding the Fourth Proportional to 96,821.28, 145,214.64 and 25,744.32

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Solution

The fourth proportional to 96,821.28, 145,214.64 and 25,744.32 is: 38,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.28 : 145,214.64 = 25,744.32 : x
  2. Step 2: Convert to fraction form
    96,821.28/145,214.64 = 25,744.32/x
  3. Step 3: Cross multiply
    96,821.28x = 145,214.64 × 25,744.32
  4. Step 4: Simplify right side
    96,821.28x = 3,738,452,160.84
  5. Step 5: Solve for x
    x = 3,738,452,160.84/96,821.28
  6. Step 6: Final answer
    x = 38,611.89

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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.