Home / 167,819.29-251,729.61-67,981.36

Finding the Fourth Proportional to 167,819.29, 251,729.61 and 67,981.36

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Solution

The fourth proportional to 167,819.29, 251,729.61 and 67,981.36 is: 101,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,819.29 : 251,729.61 = 67,981.36 : x
  2. Step 2: Convert to fraction form
    167,819.29/251,729.61 = 67,981.36/x
  3. Step 3: Cross multiply
    167,819.29x = 251,729.61 × 67,981.36
  4. Step 4: Simplify right side
    167,819.29x = 17,112,921,240.07
  5. Step 5: Solve for x
    x = 17,112,921,240.07/167,819.29
  6. Step 6: Final answer
    x = 101,972.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.