Home / 164,960.29-247,391.07-86,031.46

Finding the Fourth Proportional to 164,960.29, 247,391.07 and 86,031.46

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Solution

The fourth proportional to 164,960.29, 247,391.07 and 86,031.46 is: 129,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,960.29 : 247,391.07 = 86,031.46 : x
  2. Step 2: Convert to fraction form
    164,960.29/247,391.07 = 86,031.46/x
  3. Step 3: Cross multiply
    164,960.29x = 247,391.07 × 86,031.46
  4. Step 4: Simplify right side
    164,960.29x = 21,283,414,324.58
  5. Step 5: Solve for x
    x = 21,283,414,324.58/164,960.29
  6. Step 6: Final answer
    x = 129,021.44

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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.