Home / 115,917.39-159,965.97-70,595.37

Finding the Fourth Proportional to 115,917.39, 159,965.97 and 70,595.37

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Solution

The fourth proportional to 115,917.39, 159,965.97 and 70,595.37 is: 97,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917.39 : 159,965.97 = 70,595.37 : x
  2. Step 2: Convert to fraction form
    115,917.39/159,965.97 = 70,595.37/x
  3. Step 3: Cross multiply
    115,917.39x = 159,965.97 × 70,595.37
  4. Step 4: Simplify right side
    115,917.39x = 11,292,856,839.56
  5. Step 5: Solve for x
    x = 11,292,856,839.56/115,917.39
  6. Step 6: Final answer
    x = 97,421.59

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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.