Home / 210,103.88-289,943.35-114,610.95

Finding the Fourth Proportional to 210,103.88, 289,943.35 and 114,610.95

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Solution

The fourth proportional to 210,103.88, 289,943.35 and 114,610.95 is: 158,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,103.88 : 289,943.35 = 114,610.95 : x
  2. Step 2: Convert to fraction form
    210,103.88/289,943.35 = 114,610.95/x
  3. Step 3: Cross multiply
    210,103.88x = 289,943.35 × 114,610.95
  4. Step 4: Simplify right side
    210,103.88x = 33,230,682,503.16
  5. Step 5: Solve for x
    x = 33,230,682,503.16/210,103.88
  6. Step 6: Final answer
    x = 158,163.11

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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.