Home / 100,434.97-150,597.78-64,891.36

Finding the Fourth Proportional to 100,434.97, 150,597.78 and 64,891.36

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Solution

The fourth proportional to 100,434.97, 150,597.78 and 64,891.36 is: 97,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,434.97 : 150,597.78 = 64,891.36 : x
  2. Step 2: Convert to fraction form
    100,434.97/150,597.78 = 64,891.36/x
  3. Step 3: Cross multiply
    100,434.97x = 150,597.78 × 64,891.36
  4. Step 4: Simplify right side
    100,434.97x = 9,772,494,757.18
  5. Step 5: Solve for x
    x = 9,772,494,757.18/100,434.97
  6. Step 6: Final answer
    x = 97,301.71

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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.