Home / 108,864.79-150,249.81-66,447.97

Finding the Fourth Proportional to 108,864.79, 150,249.81 and 66,447.97

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Solution

The fourth proportional to 108,864.79, 150,249.81 and 66,447.97 is: 91,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864.79 : 150,249.81 = 66,447.97 : x
  2. Step 2: Convert to fraction form
    108,864.79/150,249.81 = 66,447.97/x
  3. Step 3: Cross multiply
    108,864.79x = 150,249.81 × 66,447.97
  4. Step 4: Simplify right side
    108,864.79x = 9,983,794,867.39
  5. Step 5: Solve for x
    x = 9,983,794,867.39/108,864.79
  6. Step 6: Final answer
    x = 91,708.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.