Home / 150,044.32-207,053.04-82,972

Finding the Fourth Proportional to 150,044.32, 207,053.04 and 82,972

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Solution

The fourth proportional to 150,044.32, 207,053.04 and 82,972 is: 114,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,044.32 : 207,053.04 = 82,972 : x
  2. Step 2: Convert to fraction form
    150,044.32/207,053.04 = 82,972/x
  3. Step 3: Cross multiply
    150,044.32x = 207,053.04 × 82,972
  4. Step 4: Simplify right side
    150,044.32x = 17,179,604,834.88
  5. Step 5: Solve for x
    x = 17,179,604,834.88/150,044.32
  6. Step 6: Final answer
    x = 114,496.87

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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.