Home / 200,809.26-276,892.83-129,090.24

Finding the Fourth Proportional to 200,809.26, 276,892.83 and 129,090.24

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Solution

The fourth proportional to 200,809.26, 276,892.83 and 129,090.24 is: 178,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,809.26 : 276,892.83 = 129,090.24 : x
  2. Step 2: Convert to fraction form
    200,809.26/276,892.83 = 129,090.24/x
  3. Step 3: Cross multiply
    200,809.26x = 276,892.83 × 129,090.24
  4. Step 4: Simplify right side
    200,809.26x = 35,744,161,878.98
  5. Step 5: Solve for x
    x = 35,744,161,878.98/200,809.26
  6. Step 6: Final answer
    x = 178,000.57

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1.5x scale

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.