Home / 96,824.30-145,236.56-30,264.78

Finding the Fourth Proportional to 96,824.30, 145,236.56 and 30,264.78

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Solution

The fourth proportional to 96,824.30, 145,236.56 and 30,264.78 is: 45,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,824.30 : 145,236.56 = 30,264.78 : x
  2. Step 2: Convert to fraction form
    96,824.30/145,236.56 = 30,264.78/x
  3. Step 3: Cross multiply
    96,824.30x = 145,236.56 × 30,264.78
  4. Step 4: Simplify right side
    96,824.30x = 4,395,552,536.36
  5. Step 5: Solve for x
    x = 4,395,552,536.36/96,824.30
  6. Step 6: Final answer
    x = 45,397.20

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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.