Home / 164,960.42-247,391.26-86,031.59

Finding the Fourth Proportional to 164,960.42, 247,391.26 and 86,031.59

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Solution

The fourth proportional to 164,960.42, 247,391.26 and 86,031.59 is: 129,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,960.42 : 247,391.26 = 86,031.59 : x
  2. Step 2: Convert to fraction form
    164,960.42/247,391.26 = 86,031.59/x
  3. Step 3: Cross multiply
    164,960.42x = 247,391.26 × 86,031.59
  4. Step 4: Simplify right side
    164,960.42x = 21,283,461,782.79
  5. Step 5: Solve for x
    x = 21,283,461,782.79/164,960.42
  6. Step 6: Final answer
    x = 129,021.63

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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.