Home / 96,758.88-144,827.28-72,636

Finding the Fourth Proportional to 96,758.88, 144,827.28 and 72,636

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Solution

The fourth proportional to 96,758.88, 144,827.28 and 72,636 is: 108,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,758.88 : 144,827.28 = 72,636 : x
  2. Step 2: Convert to fraction form
    96,758.88/144,827.28 = 72,636/x
  3. Step 3: Cross multiply
    96,758.88x = 144,827.28 × 72,636
  4. Step 4: Simplify right side
    96,758.88x = 10,519,674,310.08
  5. Step 5: Solve for x
    x = 10,519,674,310.08/96,758.88
  6. Step 6: Final answer
    x = 108,720.51

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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.