Home / 150,491.46-207,680.56-82,514.64

Finding the Fourth Proportional to 150,491.46, 207,680.56 and 82,514.64

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Solution

The fourth proportional to 150,491.46, 207,680.56 and 82,514.64 is: 113,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,491.46 : 207,680.56 = 82,514.64 : x
  2. Step 2: Convert to fraction form
    150,491.46/207,680.56 = 82,514.64/x
  3. Step 3: Cross multiply
    150,491.46x = 207,680.56 × 82,514.64
  4. Step 4: Simplify right side
    150,491.46x = 17,136,686,643.40
  5. Step 5: Solve for x
    x = 17,136,686,643.40/150,491.46
  6. Step 6: Final answer
    x = 113,871.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.