Home / 150,868.11-208,197.12-82,883.61

Finding the Fourth Proportional to 150,868.11, 208,197.12 and 82,883.61

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Solution

The fourth proportional to 150,868.11, 208,197.12 and 82,883.61 is: 114,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,868.11 : 208,197.12 = 82,883.61 : x
  2. Step 2: Convert to fraction form
    150,868.11/208,197.12 = 82,883.61/x
  3. Step 3: Cross multiply
    150,868.11x = 208,197.12 × 82,883.61
  4. Step 4: Simplify right side
    150,868.11x = 17,256,128,897.20
  5. Step 5: Solve for x
    x = 17,256,128,897.20/150,868.11
  6. Step 6: Final answer
    x = 114,378.90

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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.