Home / 86,144.42-129,206.36-22,969.28

Finding the Fourth Proportional to 86,144.42, 129,206.36 and 22,969.28

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Solution

The fourth proportional to 86,144.42, 129,206.36 and 22,969.28 is: 34,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,144.42 : 129,206.36 = 22,969.28 : x
  2. Step 2: Convert to fraction form
    86,144.42/129,206.36 = 22,969.28/x
  3. Step 3: Cross multiply
    86,144.42x = 129,206.36 × 22,969.28
  4. Step 4: Simplify right side
    86,144.42x = 2,967,776,472.01
  5. Step 5: Solve for x
    x = 2,967,776,472.01/86,144.42
  6. Step 6: Final answer
    x = 34,451.18

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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.