Home / 150,132.64-207,174.11-82,136.08

Finding the Fourth Proportional to 150,132.64, 207,174.11 and 82,136.08

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Solution

The fourth proportional to 150,132.64, 207,174.11 and 82,136.08 is: 113,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,132.64 : 207,174.11 = 82,136.08 : x
  2. Step 2: Convert to fraction form
    150,132.64/207,174.11 = 82,136.08/x
  3. Step 3: Cross multiply
    150,132.64x = 207,174.11 × 82,136.08
  4. Step 4: Simplify right side
    150,132.64x = 17,016,467,955.82
  5. Step 5: Solve for x
    x = 17,016,467,955.82/150,132.64
  6. Step 6: Final answer
    x = 113,342.89

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1.5x scale

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.