Home / 115,383.29-159,236.94-64,405.97

Finding the Fourth Proportional to 115,383.29, 159,236.94 and 64,405.97

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Solution

The fourth proportional to 115,383.29, 159,236.94 and 64,405.97 is: 88,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,383.29 : 159,236.94 = 64,405.97 : x
  2. Step 2: Convert to fraction form
    115,383.29/159,236.94 = 64,405.97/x
  3. Step 3: Cross multiply
    115,383.29x = 159,236.94 × 64,405.97
  4. Step 4: Simplify right side
    115,383.29x = 10,255,808,784.35
  5. Step 5: Solve for x
    x = 10,255,808,784.35/115,383.29
  6. Step 6: Final answer
    x = 88,884.70

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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.