Home / 96,800.64-145,257-40,635.84

Finding the Fourth Proportional to 96,800.64, 145,257 and 40,635.84

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Solution

The fourth proportional to 96,800.64, 145,257 and 40,635.84 is: 60,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,800.64 : 145,257 = 40,635.84 : x
  2. Step 2: Convert to fraction form
    96,800.64/145,257 = 40,635.84/x
  3. Step 3: Cross multiply
    96,800.64x = 145,257 × 40,635.84
  4. Step 4: Simplify right side
    96,800.64x = 5,902,640,210.88
  5. Step 5: Solve for x
    x = 5,902,640,210.88/96,800.64
  6. Step 6: Final answer
    x = 60,977.28

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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.