Home / 171,591.36-236,795.40-96,139.68

Finding the Fourth Proportional to 171,591.36, 236,795.40 and 96,139.68

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Solution

The fourth proportional to 171,591.36, 236,795.40 and 96,139.68 is: 132,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,591.36 : 236,795.40 = 96,139.68 : x
  2. Step 2: Convert to fraction form
    171,591.36/236,795.40 = 96,139.68/x
  3. Step 3: Cross multiply
    171,591.36x = 236,795.40 × 96,139.68
  4. Step 4: Simplify right side
    171,591.36x = 22,765,433,981.47
  5. Step 5: Solve for x
    x = 22,765,433,981.47/171,591.36
  6. Step 6: Final answer
    x = 132,672.38

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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.