Home / 210,108.78-289,954.23-114,619.02

Finding the Fourth Proportional to 210,108.78, 289,954.23 and 114,619.02

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Solution

The fourth proportional to 210,108.78, 289,954.23 and 114,619.02 is: 158,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,108.78 : 289,954.23 = 114,619.02 : x
  2. Step 2: Convert to fraction form
    210,108.78/289,954.23 = 114,619.02/x
  3. Step 3: Cross multiply
    210,108.78x = 289,954.23 × 114,619.02
  4. Step 4: Simplify right side
    210,108.78x = 33,234,269,687.45
  5. Step 5: Solve for x
    x = 33,234,269,687.45/210,108.78
  6. Step 6: Final answer
    x = 158,176.49

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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.