Home / 210,216.43-290,099.49-114,725.25

Finding the Fourth Proportional to 210,216.43, 290,099.49 and 114,725.25

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Solution

The fourth proportional to 210,216.43, 290,099.49 and 114,725.25 is: 158,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,216.43 : 290,099.49 = 114,725.25 : x
  2. Step 2: Convert to fraction form
    210,216.43/290,099.49 = 114,725.25/x
  3. Step 3: Cross multiply
    210,216.43x = 290,099.49 × 114,725.25
  4. Step 4: Simplify right side
    210,216.43x = 33,281,735,941.50
  5. Step 5: Solve for x
    x = 33,281,735,941.50/210,216.43
  6. Step 6: Final answer
    x = 158,321.29

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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.