Home / 200,533.28-276,861.76-129,037.55

Finding the Fourth Proportional to 200,533.28, 276,861.76 and 129,037.55

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Solution

The fourth proportional to 200,533.28, 276,861.76 and 129,037.55 is: 178,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,533.28 : 276,861.76 = 129,037.55 : x
  2. Step 2: Convert to fraction form
    200,533.28/276,861.76 = 129,037.55/x
  3. Step 3: Cross multiply
    200,533.28x = 276,861.76 × 129,037.55
  4. Step 4: Simplify right side
    200,533.28x = 35,725,563,199.09
  5. Step 5: Solve for x
    x = 35,725,563,199.09/200,533.28
  6. Step 6: Final answer
    x = 178,152.79

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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.