Home / 150,126.84-207,174.24-82,142.64

Finding the Fourth Proportional to 150,126.84, 207,174.24 and 82,142.64

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Solution

The fourth proportional to 150,126.84, 207,174.24 and 82,142.64 is: 113,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,126.84 : 207,174.24 = 82,142.64 : x
  2. Step 2: Convert to fraction form
    150,126.84/207,174.24 = 82,142.64/x
  3. Step 3: Cross multiply
    150,126.84x = 207,174.24 × 82,142.64
  4. Step 4: Simplify right side
    150,126.84x = 17,017,839,013.59
  5. Step 5: Solve for x
    x = 17,017,839,013.59/150,126.84
  6. Step 6: Final answer
    x = 113,356.41

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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.