Home / 115,845.27-159,891.42-70,538.22

Finding the Fourth Proportional to 115,845.27, 159,891.42 and 70,538.22

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Solution

The fourth proportional to 115,845.27, 159,891.42 and 70,538.22 is: 97,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,845.27 : 159,891.42 = 70,538.22 : x
  2. Step 2: Convert to fraction form
    115,845.27/159,891.42 = 70,538.22/x
  3. Step 3: Cross multiply
    115,845.27x = 159,891.42 × 70,538.22
  4. Step 4: Simplify right side
    115,845.27x = 11,278,456,160.07
  5. Step 5: Solve for x
    x = 11,278,456,160.07/115,845.27
  6. Step 6: Final answer
    x = 97,357.93

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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.