Home / 171,519.07-236,811.85-107,086.40

Finding the Fourth Proportional to 171,519.07, 236,811.85 and 107,086.40

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Solution

The fourth proportional to 171,519.07, 236,811.85 and 107,086.40 is: 147,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,519.07 : 236,811.85 = 107,086.40 : x
  2. Step 2: Convert to fraction form
    171,519.07/236,811.85 = 107,086.40/x
  3. Step 3: Cross multiply
    171,519.07x = 236,811.85 × 107,086.40
  4. Step 4: Simplify right side
    171,519.07x = 25,359,329,864.54
  5. Step 5: Solve for x
    x = 25,359,329,864.54/171,519.07
  6. Step 6: Final answer
    x = 147,851.37

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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.