Home / 86,144.48-129,206.46-22,969.34

Finding the Fourth Proportional to 86,144.48, 129,206.46 and 22,969.34

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Solution

The fourth proportional to 86,144.48, 129,206.46 and 22,969.34 is: 34,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,144.48 : 129,206.46 = 22,969.34 : x
  2. Step 2: Convert to fraction form
    86,144.48/129,206.46 = 22,969.34/x
  3. Step 3: Cross multiply
    86,144.48x = 129,206.46 × 22,969.34
  4. Step 4: Simplify right side
    86,144.48x = 2,967,786,905.36
  5. Step 5: Solve for x
    x = 2,967,786,905.36/86,144.48
  6. Step 6: Final answer
    x = 34,451.27

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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.